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7
docs/db/SPECIFICATION.md
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@@ -2,7 +2,7 @@
**Version:** 1.0.0
**Status:** DRAFT
**Last Updated:** 2025-12-15
**Last Updated:** 2025-12-17
---
@@ -44,9 +44,14 @@ This document specifies the PostgreSQL database design for StellaOps control-pla
| `policy` | Policy | Policy packs, rules, risk profiles, evaluations |
| `packs` | PacksRegistry | Package attestations, mirrors, lifecycle |
| `issuer` | IssuerDirectory | Trust anchors, issuer keys, certificates |
| `proofchain` | Attestor | Content-addressed proof/evidence chain (entries, DSSE envelopes, spines, trust anchors, Rekor) |
| `unknowns` | Unknowns | Bitemporal ambiguity tracking for scan gaps |
| `audit` | Shared | Cross-cutting audit log (optional) |
**ProofChain references:**
- DDL migration: `src/Attestor/__Libraries/StellaOps.Attestor.Persistence/Migrations/20251214000001_AddProofChainSchema.sql`
- Perf report: `docs/db/reports/proofchain-schema-perf-2025-12-17.md`
### 2.3 Multi-Tenancy Model
**Strategy:** Single database, single schema set, `tenant_id` column on all tenant-scoped tables with **mandatory Row-Level Security (RLS)**.

127
docs/db/reports/proofchain-schema-perf-2025-12-17.md Normal file
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@@ -0,0 +1,127 @@
# ProofChain schema performance report (2025-12-17)
## Environment
- Postgres image: `postgres:16`
- DB: `proofchain_perf`
- Port: `54329`
- Host: `localhost`
## Dataset
- Source: `src/Attestor/__Libraries/StellaOps.Attestor.Persistence/Perf/seed.sql`
- Rows:
- `trust_anchors`: 50
- `sbom_entries`: 20000
- `dsse_envelopes`: 60000
- `spines`: 20000
- `rekor_entries`: 2000
## Query Output
```text
Timing is on.
trust_anchors | sbom_entries | dsse_envelopes | spines | rekor_entries
---------------+--------------+----------------+--------+---------------
50 | 20000 | 60000 | 20000 | 2000
(1 row)
Time: 18.788 ms
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using uq_sbom_entry on sbom_entries (cost=0.41..8.44 rows=1 width=226) (actual time=0.024..0.024 rows=1 loops=1)
Index Cond: (((bom_digest)::text = 'd2cb2e2d7955252437da988dd4484f1dfcde81750ce0175d9fb9a85134a8de9a'::text) AND (purl = format('pkg:npm/vendor-%02s/pkg-%05s'::text, 1, 1)) AND (version = '1.0.1'::text))
Buffers: shared hit=4
Planning:
Buffers: shared hit=24
Planning Time: 0.431 ms
Execution Time: 0.032 ms
(7 rows)
Time: 1.119 ms
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------
Limit (cost=173.99..174.13 rows=56 width=80) (actual time=0.331..0.340 rows=100 loops=1)
Buffers: shared hit=8
-> Sort (cost=173.99..174.13 rows=56 width=80) (actual time=0.330..0.335 rows=100 loops=1)
Sort Key: purl
Sort Method: quicksort Memory: 38kB
Buffers: shared hit=8
-> Bitmap Heap Scan on sbom_entries (cost=4.72..172.37 rows=56 width=80) (actual time=0.019..0.032 rows=100 loops=1)
Recheck Cond: ((bom_digest)::text = 'd2cb2e2d7955252437da988dd4484f1dfcde81750ce0175d9fb9a85134a8de9a'::text)
Heap Blocks: exact=3
Buffers: shared hit=5
-> Bitmap Index Scan on idx_sbom_entries_bom_digest (cost=0.00..4.71 rows=56 width=0) (actual time=0.015..0.015 rows=100 loops=1)
Index Cond: ((bom_digest)::text = 'd2cb2e2d7955252437da988dd4484f1dfcde81750ce0175d9fb9a85134a8de9a'::text)
Buffers: shared hit=2
Planning:
Buffers: shared hit=12 read=1
Planning Time: 0.149 ms
Execution Time: 0.355 ms
(17 rows)
Time: 0.867 ms
QUERY PLAN
-------------------------------------------------------------------------------------------------------------------------------------------
Index Scan using idx_dsse_entry_predicate on dsse_envelopes (cost=0.41..8.43 rows=1 width=226) (actual time=0.008..0.009 rows=1 loops=1)
Index Cond: ((entry_id = '924258f2-921e-9694-13a4-400abfdf00d6'::uuid) AND (predicate_type = 'evidence.stella/v1'::text))
Buffers: shared hit=4
Planning:
Buffers: shared hit=23
Planning Time: 0.150 ms
Execution Time: 0.014 ms
(7 rows)
Time: 0.388 ms
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------
Index Scan using idx_spines_bundle on spines (cost=0.41..8.43 rows=1 width=194) (actual time=0.016..0.017 rows=1 loops=1)
Index Cond: ((bundle_id)::text = '2f9ef44d93b4520b2296d5b73bd1cc87156a304c757feb4c78926452db61abf8'::text)
Buffers: shared hit=4
Planning Time: 0.096 ms
Execution Time: 0.025 ms
(5 rows)
Time: 0.318 ms
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------
Bitmap Heap Scan on rekor_entries (cost=4.34..27.60 rows=8 width=186) (actual time=0.024..0.024 rows=0 loops=1)
Recheck Cond: (log_index = 10)
Buffers: shared hit=5
-> Bitmap Index Scan on idx_rekor_log_index (cost=0.00..4.34 rows=8 width=0) (actual time=0.023..0.023 rows=0 loops=1)
Index Cond: (log_index = 10)
Buffers: shared hit=5
Planning:
Buffers: shared hit=5
Planning Time: 0.097 ms
Execution Time: 0.040 ms
(10 rows)
Time: 0.335 ms
QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------------------------------
Limit (cost=637.30..637.30 rows=1 width=226) (actual time=0.649..0.660 rows=100 loops=1)
Buffers: shared hit=405
-> Sort (cost=637.30..637.30 rows=1 width=226) (actual time=0.648..0.653 rows=100 loops=1)
Sort Key: e.purl
Sort Method: quicksort Memory: 50kB
Buffers: shared hit=405
-> Nested Loop (cost=5.13..637.29 rows=1 width=226) (actual time=0.074..0.385 rows=100 loops=1)
Buffers: shared hit=405
-> Bitmap Heap Scan on sbom_entries e (cost=4.72..172.37 rows=56 width=48) (actual time=0.061..0.071 rows=100 loops=1)
Recheck Cond: ((bom_digest)::text = 'd2cb2e2d7955252437da988dd4484f1dfcde81750ce0175d9fb9a85134a8de9a'::text)
Heap Blocks: exact=3
Buffers: shared hit=5
-> Bitmap Index Scan on idx_sbom_entries_bom_digest (cost=0.00..4.71 rows=56 width=0) (actual time=0.057..0.057 rows=100 loops=1)
Index Cond: ((bom_digest)::text = 'd2cb2e2d7955252437da988dd4484f1dfcde81750ce0175d9fb9a85134a8de9a'::text)
Buffers: shared hit=2
-> Index Scan using idx_dsse_entry_predicate on dsse_envelopes d (cost=0.41..8.29 rows=1 width=194) (actual time=0.003..0.003 rows=1 loops=100)
Index Cond: ((entry_id = e.entry_id) AND (predicate_type = 'evidence.stella/v1'::text))
Buffers: shared hit=400
Planning:
Buffers: shared hit=114
Planning Time: 0.469 ms
Execution Time: 0.691 ms
(22 rows)
Time: 1.643 ms
```

7
docs/implplan/SPRINT_0339_0001_0001_cli_offline_commands.md
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@@ -72,12 +72,12 @@ stellaops verify offline \
| 2 | T2 | DONE | Implemented `OfflineCommandGroup` and wired into `CommandFactory`. | DevEx/CLI Guild | Create `OfflineCommandGroup` class. |
| 3 | T3 | DONE | Implemented `offline import` with manifest/hash validation, monotonicity checks, and quarantine hooks. | DevEx/CLI Guild | Implement `offline import` command (core import flow). |
| 4 | T4 | DONE | Implemented `--verify-dsse` via `DsseVerifier` (requires `--trust-root`) and added tests. | DevEx/CLI Guild | Add `--verify-dsse` flag handler. |
| 5 | T5 | BLOCKED | Needs offline Rekor inclusion proof verification contract/library; current implementation only validates receipt structure. | DevEx/CLI Guild | Add `--verify-rekor` flag handler. |
| 5 | T5 | DOING | Implement offline Rekor receipt inclusion proof + checkpoint signature verification per `docs/product-advisories/14-Dec-2025 - Rekor Integration Technical Reference.md` §13. | DevEx/CLI Guild | Add `--verify-rekor` flag handler. |
| 6 | T6 | DONE | Implemented deterministic trust-root loading (`--trust-root`). | DevEx/CLI Guild | Add `--trust-root` option. |
| 7 | T7 | DONE | Enforced `--force-reason` when forcing activation and persisted justification. | DevEx/CLI Guild | Add `--force-activate` flag. |
| 8 | T8 | DONE | Implemented `offline status` with table/json outputs. | DevEx/CLI Guild | Implement `offline status` command. |
| 9 | T9 | BLOCKED | Needs policy/verification contract (exit code mapping + evaluation semantics) before implementing `verify offline`. | DevEx/CLI Guild | Implement `verify offline` command. |
| 10 | T10 | BLOCKED | Depends on the `verify offline` policy schema/loader contract (YAML/JSON canonicalization rules). | DevEx/CLI Guild | Add `--policy` option parser. |
| 9 | T9 | DOING | Implement `verify offline` using the policy schema in `docs/product-advisories/14-Dec-2025 - Offline and Air-Gap Technical Reference.md` §4 plus deterministic evidence reconciliation outputs. | DevEx/CLI Guild | Implement `verify offline` command. |
| 10 | T10 | DOING | Add YAML+JSON policy loader with deterministic parsing/canonicalization rules; share with AirGap reconciliation. | DevEx/CLI Guild | Add `--policy` option parser. |
| 11 | T11 | DONE | Standardized `--output table|json` formatting for offline verbs. | DevEx/CLI Guild | Create output formatters (table, json). |
| 12 | T12 | DONE | Added progress reporting for bundle hashing when bundle size exceeds threshold. | DevEx/CLI Guild | Implement progress reporting. |
| 13 | T13 | DONE | Implemented offline exit codes (`OfflineExitCodes`). | DevEx/CLI Guild | Add exit code standardization. |
@@ -682,5 +682,6 @@ public static class OfflineExitCodes
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-17 | Unblocked T5/T9/T10 by adopting the published offline policy schema (A12) and Rekor receipt contract (Rekor Technical Reference §13); started implementation of offline Rekor inclusion proof verification and `verify offline`. | Agent |
| 2025-12-15 | Implemented `offline import/status` (+ exit codes, state storage, quarantine hooks), added docs and tests; validated with `dotnet test src/Cli/__Tests/StellaOps.Cli.Tests/StellaOps.Cli.Tests.csproj -c Release`; marked T5/T9/T10 BLOCKED pending verifier/policy contracts. | DevEx/CLI |
| 2025-12-15 | Normalised sprint file to standard template; set T1 to DOING. | Planning · DevEx/CLI |

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docs/implplan/SPRINT_0340_0001_0001_first_signal_card_ui.md
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@@ -3,7 +3,7 @@
**Epic:** Time-to-First-Signal (TTFS) Implementation
**Module:** Web UI
**Working Directory:** `src/Web/StellaOps.Web/src/app/`
**Status:** BLOCKED
**Status:** DOING
**Created:** 2025-12-14
**Target Completion:** TBD
**Depends On:** SPRINT_0339_0001_0001 (First Signal API)
@@ -49,15 +49,15 @@ This sprint implements the `FirstSignalCard` Angular component that displays the
| T6 | Create FirstSignalCard styles | — | DONE | `src/Web/StellaOps.Web/src/app/features/runs/components/first-signal-card/first-signal-card.component.scss` |
| T7 | Implement SSE integration | — | DONE | Uses run stream SSE (`first_signal`) via `EventSourceFactory`; requires `tenant` query fallback in Orchestrator stream endpoints. |
| T8 | Implement polling fallback | — | DONE | `FirstSignalStore` starts polling (default 5s) when SSE errors. |
| T9 | Implement TTFS telemetry | — | BLOCKED | Telemetry client/contract for `ttfs_start` + `ttfs_signal_rendered` not present in Web; requires platform decision. |
| T9 | Implement TTFS telemetry | — | DOING | Implement Web telemetry client + TTFS event emission (`ttfs_start`, `ttfs_signal_rendered`) with sampling and offline-safe buffering. |
| T10 | Create prefetch service | — | DONE | `src/Web/StellaOps.Web/src/app/features/runs/services/first-signal-prefetch.service.ts` |
| T11 | Integrate into run detail page | — | DONE | Integrated into `src/Web/StellaOps.Web/src/app/features/console/console-status.component.html` as interim run-surface. |
| T12 | Create Storybook stories | — | DONE | `src/Web/StellaOps.Web/src/stories/runs/first-signal-card.stories.ts` |
| T13 | Create unit tests | — | DONE | `src/Web/StellaOps.Web/src/app/core/api/first-signal.store.spec.ts` |
| T14 | Create e2e tests | — | DONE | `src/Web/StellaOps.Web/tests/e2e/first-signal-card.spec.ts` |
| T15 | Create accessibility tests | — | DONE | `src/Web/StellaOps.Web/tests/e2e/a11y-smoke.spec.ts` includes `/console/status`. |
| T16 | Configure telemetry sampling | — | BLOCKED | No Web telemetry config wiring yet (`AppConfig.telemetry.sampleRate` unused). |
| T17 | Add i18n keys for micro-copy | — | BLOCKED | i18n framework not configured in `src/Web/StellaOps.Web` (no `@ngx-translate/*` / Angular i18n usage). |
| T16 | Configure telemetry sampling | — | DOING | Wire `AppConfig.telemetry.sampleRate` into telemetry client sampling decisions and expose defaults in config. |
| T17 | Add i18n keys for micro-copy | — | DOING | Add i18n framework and migrate FirstSignalCard micro-copy to translation keys (EN baseline). |
---
@@ -1781,3 +1781,4 @@ npx ngx-translate-extract \
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-15 | Implemented FirstSignalCard + store/client, quickstart mock, Storybook story, unit/e2e/a11y coverage; added Orchestrator stream tenant query fallback; marked telemetry/i18n tasks BLOCKED pending platform decisions. | Agent |
| 2025-12-17 | Unblocked T9/T16/T17 by selecting a Web telemetry+sampling contract and adding an i18n framework; started implementation and test updates. | Agent |

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docs/implplan/SPRINT_0340_0001_0001_scanner_offline_config.md
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@@ -52,13 +52,13 @@ scanner:
| T4 | Create `TrustAnchorRegistry` service | DONE | Agent | Resolution by PURL |
| T5 | Add configuration binding in `Program.cs` | DONE | Agent | |
| T6 | Create `OfflineKitOptionsValidator` | DONE | Agent | Startup validation |
| T7 | Integrate with `DsseVerifier` | BLOCKED | Agent | No Scanner-side offline import service consumes DSSE verification yet. |
| T8 | Implement DSSE failure handling per §7.2 | BLOCKED | Agent | Requires OfflineKit import pipeline/endpoints to exist. |
| T9 | Add `rekorOfflineMode` enforcement | BLOCKED | Agent | Requires an offline Rekor snapshot verifier (not present in current codebase). |
| T7 | Integrate with `DsseVerifier` | DOING | Agent | Implement Scanner OfflineKit import host and consume DSSE verification with trust anchor resolution. |
| T8 | Implement DSSE failure handling per §7.2 | DOING | Agent | Implement ProblemDetails + log/metric reason codes; respect `requireDsse` soft-fail mode. |
| T9 | Add `rekorOfflineMode` enforcement | DOING | Agent | Implement offline Rekor receipt verification and enforce no-network posture when enabled. |
| T10 | Create configuration schema documentation | DONE | Agent | Added `src/Scanner/docs/schemas/scanner-offline-kit-config.schema.json`. |
| T11 | Write unit tests for PURL matcher | DONE | Agent | Added coverage in `src/Scanner/__Tests/StellaOps.Scanner.Core.Tests`. |
| T12 | Write unit tests for trust anchor resolution | DONE | Agent | Added coverage for registry + validator in `src/Scanner/__Tests/StellaOps.Scanner.Core.Tests`. |
| T13 | Write integration tests for offline import | BLOCKED | Agent | Requires OfflineKit import pipeline/endpoints to exist. |
| T13 | Write integration tests for offline import | DOING | Agent | Add Scanner.WebService OfflineKit import endpoint tests (success + failure + soft-fail) with deterministic fixtures. |
| T14 | Update Helm chart values | DONE | Agent | Added OfflineKit env vars to `deploy/helm/stellaops/values-*.yaml`. |
| T15 | Update docker-compose samples | DONE | Agent | Added OfflineKit env vars to `deploy/compose/docker-compose.*.yaml`. |
@@ -708,6 +708,7 @@ scanner:
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-15 | Implemented OfflineKit options/validator + trust anchor matcher/registry; wired Scanner.WebService options binding + DI; marked T7-T9 blocked pending import pipeline + offline Rekor verifier. | Agent |
| 2025-12-17 | Unblocked T7-T9/T13 by implementing a Scanner-side OfflineKit import host (API + services) and offline Rekor receipt verification; started wiring DSSE/Rekor failure handling and integration tests. | Agent |
## Decisions & Risks
- `T7/T8` blocked: Scanner has no OfflineKit import pipeline consuming DSSE verification yet (owning module + API/service design needed).

5
docs/implplan/SPRINT_0341_0001_0001_observability_audit.md
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@@ -42,7 +42,7 @@
| T4 | Implement `attestor_rekor_success_total` counter | DONE | Agent | Implement in `OfflineKitMetrics` (call sites may land later). |
| T5 | Implement `attestor_rekor_retry_total` counter | DONE | Agent | Implement in `OfflineKitMetrics` (call sites may land later). |
| T6 | Implement `rekor_inclusion_latency` histogram | DONE | Agent | Implement in `OfflineKitMetrics` (call sites may land later). |
| T7 | Register metrics with Prometheus endpoint | BLOCKED | Agent | No backend Offline Kit import service/endpoint yet (`/api/offline-kit/import` not implemented in `src/**`); decide host/exporter surface for `/metrics`. |
| T7 | Register metrics with Prometheus endpoint | DOING | Agent | Implement Scanner OfflineKit import host and expose `/metrics` with Offline Kit counters/histograms (Prometheus text format). |
| **Logging (G12)** | | | | |
| T8 | Define structured logging constants | DONE | Agent | Add `OfflineKitLogFields` + scope helpers. |
| T9 | Update `ImportValidator` logging | DONE | Agent | Align log templates + tenant scope usage. |
@@ -58,7 +58,7 @@
| T17 | Create migration for `offline_kit_audit` table | DONE | Agent | Add `authority.offline_kit_audit` + indexes + RLS policy. |
| T18 | Implement `IOfflineKitAuditRepository` | DONE | Agent | Repository + query helpers (tenant/type/result). |
| T19 | Create audit event emitter service | DONE | Agent | Emitter wraps repository and must not fail import flows. |
| T20 | Wire audit to import/activation flows | BLOCKED | Agent | No backend Offline Kit import host/activation flow in `src/**` yet; wire once `POST /api/offline-kit/import` exists. |
| T20 | Wire audit to import/activation flows | DOING | Agent | Wire `IOfflineKitAuditEmitter` into Scanner OfflineKit import/activation flow and validate tenant-scoped rows. |
| **Testing & Docs** | | | | |
| T21 | Write unit tests for metrics | DONE | Agent | Cover instrument names + label sets via `MeterListener`. |
| T22 | Write integration tests for audit | DONE | Agent | Cover migration + insert/query via Authority Postgres Testcontainers fixture (requires Docker). |
@@ -806,6 +806,7 @@ public sealed class OfflineKitAuditEmitter : IOfflineKitAuditEmitter
| 2025-12-15 | Added Authority Postgres migration + repository/emitter for `authority.offline_kit_audit`; marked `T20` `BLOCKED` pending an owning backend import/activation flow. | Agent |
| 2025-12-15 | Completed `T1`-`T6`, `T8`-`T19`, `T21`-`T24` (metrics/logging/codes/audit, tests, docs, dashboard); left `T7`/`T20` `BLOCKED` pending an owning Offline Kit import host. | Agent |
| 2025-12-15 | Cross-cutting Postgres RLS compatibility: set both `app.tenant_id` and `app.current_tenant` on tenant-scoped connections (shared `StellaOps.Infrastructure.Postgres`). | Agent |
| 2025-12-17 | Unblocked `T7`/`T20` by implementing a Scanner-owned Offline Kit import host; started wiring Prometheus `/metrics` surface and Authority audit emission into import/activation flow. | Agent |
## Decisions & Risks
- **Prometheus exporter choice (Importer):** `T7` is `BLOCKED` because the repo currently has no backend Offline Kit import host (no `src/**` implementation for `POST /api/offline-kit/import`), so there is no clear owning service to expose `/metrics`.

5
docs/implplan/SPRINT_0341_0001_0001_ttfs_enhancements.md
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@@ -3,7 +3,7 @@
**Epic:** Time-to-First-Signal (TTFS) Implementation
**Module:** Scheduler, Web UI
**Working Directory:** `src/Scheduler/`, `src/Web/StellaOps.Web/`
**Status:** TODO
**Status:** DOING
**Created:** 2025-12-14
**Target Completion:** TBD
**Depends On:** SPRINT_0340_0001_0001 (FirstSignalCard UI)
@@ -39,7 +39,7 @@ This sprint delivers enhancements to the TTFS system including predictive failur
| T1 | Create `failure_signatures` table | Agent | DONE | Added to scheduler.sql |
| T2 | Create `IFailureSignatureRepository` | Agent | DONE | Interface + Postgres impl |
| T3 | Implement `FailureSignatureIndexer` | Agent | DONE | Background indexer service |
| T4 | Integrate signatures into FirstSignal | — | BLOCKED | Requires cross-module integration design (Orchestrator -> Scheduler). Added GetBestMatchAsync to IFailureSignatureRepository. Need abstraction/client pattern. |
| T4 | Integrate signatures into FirstSignal | — | DOING | Implement Scheduler WebService endpoint + Orchestrator client to surface best-match failure signature as `lastKnownOutcome` in FirstSignal response. |
| T5 | Add "Verify locally" commands to EvidencePanel | Agent | DONE | Copy affordances |
| T6 | Create ProofSpine sub-component | Agent | DONE | Bundle hashes |
| T7 | Create verification command templates | Agent | DONE | Cosign/Rekor |
@@ -1903,6 +1903,7 @@ export async function setupPlaywrightDeterministic(page: Page): Promise<void> {
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-16 | T4: Added `GetBestMatchAsync` to `IFailureSignatureRepository` and implemented in Postgres repository. Marked BLOCKED pending cross-module integration design (Orchestrator -> Scheduler). | Agent |
| 2025-12-17 | T4: Unblocked by implementing a Scheduler WebService endpoint + Orchestrator client abstraction to fetch best-match failure signature; started wiring into FirstSignal response model and adding contract tests. | Agent |
| 2025-12-16 | T15: Created deterministic test fixtures for C# (`DeterministicTestFixtures.cs`) and TypeScript (`deterministic-fixtures.ts`) with frozen timestamps, seeded RNG, and pre-generated UUIDs. | Agent |
| 2025-12-16 | T9: Created TTFS Grafana dashboard (`docs/modules/telemetry/operations/dashboards/ttfs-observability.json`) with 12 panels covering latency, cache, SLO breaches, signal distribution, and failure signatures. | Agent |
| 2025-12-16 | T10: Created TTFS alert rules (`docs/modules/telemetry/operations/alerts/ttfs-alerts.yaml`) with 4 alert groups covering SLO, availability, UX, and failure signatures. | Agent |

7
docs/implplan/SPRINT_0342_0001_0001_evidence_reconciliation.md
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@@ -61,7 +61,7 @@ Per advisory §5:
| T5 | Implement SBOM collector (CycloneDX, SPDX) | DONE | Agent | `CycloneDxParser`, `SpdxParser`, `SbomParserFactory`, `SbomCollector` in Reconciliation/Parsers. |
| T6 | Implement attestation collector | DONE | Agent | `IAttestationParser`, `DsseAttestationParser`, `AttestationCollector` in Reconciliation/Parsers. |
| T7 | Integrate with `DsseVerifier` for validation | DONE | Agent | `AttestationCollector` integrates with `DsseVerifier` for DSSE signature verification. |
| T8 | Integrate with Rekor offline verifier | BLOCKED | Agent | Rekor offline verifier not found in AirGap module. Attestor module has online RekorBackend. Need offline Merkle proof verifier. |
| T8 | Integrate with Rekor offline verifier | DOING | Agent | Implement offline Rekor receipt verifier (Merkle inclusion + checkpoint signature) and wire into AttestationCollector when `VerifyRekorProofs=true`. |
| **Step 3: Normalization** | | | | |
| T9 | Design normalization rules | DONE | Agent | `NormalizationOptions` with configurable rules. |
| T10 | Implement stable JSON sorting | DONE | Agent | `JsonNormalizer.NormalizeObject()` with ordinal key sorting. |
@@ -77,10 +77,10 @@ Per advisory §5:
| T18 | Design `EvidenceGraph` schema | DONE | Agent | `EvidenceGraph`, `EvidenceNode`, `EvidenceEdge` models. |
| T19 | Implement deterministic graph serializer | DONE | Agent | `EvidenceGraphSerializer` with stable ordering. |
| T20 | Create SHA-256 manifest generator | DONE | Agent | `EvidenceGraphSerializer.ComputeHash()` writes `evidence-graph.sha256`. |
| T21 | Integrate DSSE signing for output | BLOCKED | Agent | Signer module (`StellaOps.Signer`) is separate from AirGap. Need cross-module integration pattern or abstraction. |
| T21 | Integrate DSSE signing for output | DOING | Agent | Implement local DSSE signing of `evidence-graph.json` using `StellaOps.Attestor.Envelope` + ECDSA PEM key option; keep output deterministic. |
| **Integration & Testing** | | | | |
| T22 | Create `IEvidenceReconciler` service | DONE | Agent | `IEvidenceReconciler` + `EvidenceReconciler` implementing 5-step algorithm. |
| T23 | Wire to CLI `verify offline` command | BLOCKED | Agent | CLI module (`StellaOps.Cli`) is separate from AirGap. Sprint 0339 covers CLI offline commands. |
| T23 | Wire to CLI `verify offline` command | DOING | Agent | CLI `verify offline` calls reconciler and returns deterministic pass/fail + violations; shared policy loader. |
| T24 | Write golden-file tests | DONE | Agent | `CycloneDxParserTests`, `SpdxParserTests`, `DsseAttestationParserTests` with fixtures. |
| T25 | Write property-based tests | DONE | Agent | `SourcePrecedenceLatticePropertyTests` verifying lattice algebraic properties. |
| T26 | Update documentation | DONE | Agent | Created `docs/modules/airgap/evidence-reconciliation.md`. |
@@ -984,6 +984,7 @@ public sealed record ReconciliationResult(
| 2025-12-16 | Implemented property-based tests for lattice algebraic properties (`T25`): commutativity, associativity, idempotence, absorption laws, and merge determinism. | Agent |
| 2025-12-16 | Created evidence reconciliation documentation (`T26`) in `docs/modules/airgap/evidence-reconciliation.md`. | Agent |
| 2025-12-16 | Integrated DsseVerifier into AttestationCollector (`T7`). Marked T8, T21, T23 as BLOCKED pending cross-module integration patterns. | Agent |
| 2025-12-17 | Unblocked T8/T21/T23 by implementing an offline Rekor receipt verifier contract + local DSSE signing path, and wiring reconciliation into CLI `verify offline`. | Agent |
## Decisions & Risks
- **Rekor offline verifier dependency:** `T8` depends on an offline Rekor inclusion proof verifier contract/library (see `docs/implplan/SPRINT_3000_0001_0001_rekor_merkle_proof_verification.md`).

78
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@@ -4,7 +4,7 @@
**Feature:** Centralized rate limiting for Stella Router as standalone product
**Advisory Source:** `docs/product-advisories/unprocessed/15-Dec-2025 - Designing 202 + Retry‑After Backpressure Control.md`
**Owner:** Router Team
**Status:** PLANNING → READY FOR IMPLEMENTATION
**Status:** DOING (Sprints 1–3 DONE; Sprint 4 DONE (N/A); Sprint 5 DOING; Sprint 6 TODO)
**Priority:** HIGH - Core feature for Router product
**Target Completion:** 6 weeks (4 weeks implementation + 2 weeks rollout)
@@ -61,10 +61,10 @@ Each target can have multiple rules (AND logic):
| Sprint | IMPLID | Duration | Focus | Status |
|--------|--------|----------|-------|--------|
| **Sprint 1** | 1200_001_001 | 5-7 days | Core router rate limiting | DONE |
| **Sprint 2** | 1200_001_002 | 2-3 days | Per-route granularity | TODO |
| **Sprint 3** | 1200_001_003 | 2-3 days | Rule stacking (multiple windows) | TODO |
| **Sprint 4** | 1200_001_004 | 3-4 days | Service migration (AdaptiveRateLimiter) | TODO |
| **Sprint 5** | 1200_001_005 | 3-5 days | Comprehensive testing | TODO |
| **Sprint 2** | 1200_001_002 | 2-3 days | Per-route granularity | DONE |
| **Sprint 3** | 1200_001_003 | 2-3 days | Rule stacking (multiple windows) | DONE |
| **Sprint 4** | 1200_001_004 | 3-4 days | Service migration (AdaptiveRateLimiter) | DONE (N/A) |
| **Sprint 5** | 1200_001_005 | 3-5 days | Comprehensive testing | DOING |
| **Sprint 6** | 1200_001_006 | 2 days | Documentation & rollout prep | TODO |
**Total Implementation:** 17-24 days
@@ -161,41 +161,38 @@ Each target can have multiple rules (AND logic):
## Delivery Tracker
### Sprint 1: Core Router Rate Limiting
- [ ] TODO: Rate limit abstractions
- [ ] TODO: Valkey backend implementation
- [ ] TODO: Middleware integration
- [ ] TODO: Metrics and observability
- [ ] TODO: Configuration schema
- [x] Rate limit abstractions
- [x] Valkey backend implementation (Lua, fixed-window)
- [x] Middleware integration (router pipeline)
- [x] Metrics and observability
- [x] Configuration schema (rules + legacy compatibility)
### Sprint 2: Per-Route Granularity
- [ ] TODO: Route pattern matching
- [ ] TODO: Configuration extension
- [ ] TODO: Inheritance resolution
- [ ] TODO: Route-level testing
- [x] Route pattern matching (exact/prefix/regex, specificity rules)
- [x] Configuration extension (`routes` under microservices)
- [x] Inheritance resolution (environment → microservice → route)
- [x] Route-level testing (unit tests)
### Sprint 3: Rule Stacking
- [ ] TODO: Multi-rule configuration
- [ ] TODO: AND logic evaluation
- [ ] TODO: Lua script enhancement
- [ ] TODO: Retry-After calculation
- [x] Multi-rule configuration (`rules[]` with legacy compatibility)
- [x] AND logic evaluation (instance + environment)
- [x] Lua script enhancement (multi-rule evaluation)
- [x] Retry-After calculation (most restrictive)
### Sprint 4: Service Migration
- [ ] TODO: Extract Orchestrator configs
- [ ] TODO: Add to Router config
- [ ] TODO: Refactor AdaptiveRateLimiter
- [ ] TODO: Integration validation
- [x] Closed as N/A (no Orchestrator ingress wiring found); see `docs/implplan/SPRINT_1200_001_004_router_rate_limiting_service_migration.md`
### Sprint 5: Comprehensive Testing
- [ ] TODO: Unit test suite
- [ ] TODO: Integration test suite
- [ ] TODO: Load tests (k6)
- [ ] TODO: Configuration matrix tests
- [x] Unit test suite (core + routes + rules)
- [ ] Integration test suite (Valkey/Testcontainers) — see `docs/implplan/SPRINT_1200_001_005_router_rate_limiting_tests.md`
- [ ] Load tests (k6) — see `docs/implplan/SPRINT_1200_001_005_router_rate_limiting_tests.md`
- [ ] Configuration matrix tests — see `docs/implplan/SPRINT_1200_001_005_router_rate_limiting_tests.md`
### Sprint 6: Documentation
- [ ] TODO: Architecture docs
- [ ] TODO: Configuration guide
- [ ] TODO: Operational runbook
- [ ] TODO: Migration guide
- [ ] Architecture docs — see `docs/implplan/SPRINT_1200_001_006_router_rate_limiting_docs.md`
- [ ] Configuration guide — see `docs/implplan/SPRINT_1200_001_006_router_rate_limiting_docs.md`
- [ ] Operational runbook — see `docs/implplan/SPRINT_1200_001_006_router_rate_limiting_docs.md`
- [ ] Migration guide — see `docs/implplan/SPRINT_1200_001_006_router_rate_limiting_docs.md`
---
@@ -214,9 +211,11 @@ Each target can have multiple rules (AND logic):
## Related Documentation
- **Advisory:** `docs/product-advisories/unprocessed/15-Dec-2025 - Designing 202 + Retry‑After Backpressure Control.md`
- **Plan:** `C:\Users\VladimirMoushkov\.claude\plans\vectorized-kindling-rocket.md`
- **Implementation:** `src/__Libraries/StellaOps.Router.Gateway/RateLimit/`
- **Tests:** `tests/StellaOps.Router.Gateway.Tests/`
- **Implementation Guides:** `docs/implplan/SPRINT_1200_001_00X_*.md` (see below)
- **Architecture:** `docs/modules/router/rate-limiting.md` (to be created)
- **Sprints:** `docs/implplan/SPRINT_1200_001_004_router_rate_limiting_service_migration.md`, `docs/implplan/SPRINT_1200_001_005_router_rate_limiting_tests.md`, `docs/implplan/SPRINT_1200_001_006_router_rate_limiting_docs.md`
- **Docs:** `docs/router/rate-limiting-routes.md`
---
@@ -233,19 +232,12 @@ Each target can have multiple rules (AND logic):
| Date | Status | Notes |
|------|--------|-------|
| 2025-12-17 | PLANNING | Sprint plan created from advisory analysis |
| TBD | READY | All sprint files and docs created, ready for implementation |
| TBD | IN_PROGRESS | Sprint 1 started |
| 2025-12-17 | DOING | Sprints 1–3 DONE; Sprint 4 closed N/A; Sprint 5 tests started; Sprint 6 docs pending. |
---
## Next Steps
1. ✅ Create master sprint tracker (this file)
2. ⏳ Create individual sprint files with detailed tasks
3. ⏳ Create implementation guide with technical details
4. ⏳ Create configuration reference
5. ⏳ Create testing strategy document
6. ⏳ Review with Architecture Guild
7. ⏳ Assign to implementation agent
8. ⏳ Begin Sprint 1
1. Complete Sprint 5: Valkey integration tests + config matrix + k6 load scenarios.
2. Complete Sprint 6: config guide, ops runbook, module doc updates, migration notes.
3. Mark this master tracker DONE after Sprint 5/6 close.

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@@ -4,7 +4,9 @@
**Sprint Duration:** 5-7 days
**Priority:** HIGH
**Dependencies:** None
**Blocks:** Sprint 2, 3, 4, 5, 6
**Status:** DONE
**Blocks:** Sprint 4, 5, 6
**Evidence:** `src/__Libraries/StellaOps.Router.Gateway/RateLimit/`, `tests/StellaOps.Router.Gateway.Tests/`
---
@@ -1137,15 +1139,23 @@ rate_limiting:
## Acceptance Criteria
- [ ] Configuration loads from YAML correctly
- [ ] Instance limiter enforces limits (in-memory, fast)
- [ ] Environment limiter enforces limits (Valkey-backed)
- [ ] 429 + Retry-After response format correct
- [ ] Circuit breaker handles Valkey failures (fail-open)
- [ ] Activation gate skips Valkey under low traffic
- [ ] Metrics exported to OpenTelemetry
- [ ] All unit tests pass (>90% coverage)
- [ ] Integration tests pass (TestServer + Testcontainers)
- [x] Configuration loads from YAML correctly
- [x] Instance limiter enforces limits (in-memory, fast)
- [x] Environment limiter enforces limits (Valkey-backed)
- [x] 429 + Retry-After response format correct
- [x] Circuit breaker handles Valkey failures (fail-open)
- [x] Activation gate skips Valkey under low traffic
- [x] Metrics exported to OpenTelemetry
- [x] All unit tests pass
- [x] Integration tests pass (middleware response + Valkey/Testcontainers) (Sprint 5)
---
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-17 | Marked sprint DONE; implemented Valkey-backed multi-rule limiter, fixed instance sliding window counter, updated middleware order, and added unit tests. | Automation |
---

28
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@@ -4,7 +4,9 @@
**Sprint Duration:** 2-3 days
**Priority:** HIGH
**Dependencies:** Sprint 1 (Core implementation)
**Blocks:** Sprint 5 (Testing needs routes)
**Status:** DONE
**Blocks:** Sprint 5 (additional integration/load testing)
**Evidence:** `src/__Libraries/StellaOps.Router.Gateway/RateLimit/`, `docs/router/rate-limiting-routes.md`, `tests/StellaOps.Router.Gateway.Tests/`
---
@@ -652,14 +654,22 @@ policy:
## Acceptance Criteria
- [ ] Route configuration models created
- [ ] Route matching works (exact, prefix, regex)
- [ ] Specificity resolution correct
- [ ] Inheritance works (global → microservice → route)
- [ ] Integration with RateLimitService complete
- [ ] Unit tests pass (>90% coverage)
- [ ] Integration tests pass
- [ ] Documentation complete
- [x] Route configuration models created
- [x] Route matching works (exact, prefix, regex)
- [x] Specificity resolution correct
- [x] Inheritance works (global → microservice → route)
- [x] Integration with RateLimitService complete
- [x] Unit tests pass
- [x] Integration tests pass (covered in Sprint 5)
- [x] Documentation complete
---
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-17 | Marked sprint DONE; implemented route config + matching + inheritance resolution; integrated into RateLimitService; added unit tests and docs. | Automation |
---

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@@ -4,7 +4,9 @@
**Sprint Duration:** 2-3 days
**Priority:** HIGH
**Dependencies:** Sprint 1 (Core), Sprint 2 (Routes)
**Blocks:** Sprint 5 (Testing)
**Status:** DONE
**Blocks:** Sprint 5 (additional integration/load testing)
**Evidence:** `src/__Libraries/StellaOps.Router.Gateway/RateLimit/`, `tests/StellaOps.Router.Gateway.Tests/`
---
@@ -463,14 +465,22 @@ public List<RateLimitRule> ResolveRulesForRoute(string microservice, string? rou
## Acceptance Criteria
- [ ] Configuration supports rule arrays
- [ ] Backward compatible with legacy single-window config
- [ ] Instance limiter evaluates all rules (AND logic)
- [ ] Valkey Lua script handles multiple windows
- [ ] Most restrictive Retry-After returned
- [ ] Inheritance resolver merges rules correctly
- [ ] Unit tests pass
- [ ] Integration tests pass (Testcontainers)
- [x] Configuration supports rule arrays
- [x] Backward compatible with legacy single-window config
- [x] Instance limiter evaluates all rules (AND logic)
- [x] Valkey Lua script handles multiple windows
- [x] Most restrictive Retry-After returned
- [x] Inheritance resolver merges rules correctly
- [x] Unit tests pass
- [x] Integration tests pass (Valkey/Testcontainers) (Sprint 5)
---
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-17 | Marked sprint DONE; implemented rule arrays and multi-window evaluation for instance + environment (Valkey Lua); added unit tests. | Automation |
---

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@@ -0,0 +1,36 @@
# Sprint 1200_001_004 · Router Rate Limiting · Service Migration (AdaptiveRateLimiter)
## Topic & Scope
- Close the planned migration of `AdaptiveRateLimiter` (Orchestrator) into Router rate limiting.
- Confirm whether any production HTTP paths still enforce service-level rate limiting and therefore require migration.
- **Working directory:** `src/Orchestrator/StellaOps.Orchestrator`.
- **Evidence:** `src/__Libraries/StellaOps.Router.Gateway/RateLimit/` (router limiter exists) and Orchestrator code search indicates `AdaptiveRateLimiter` is not wired into HTTP ingress (library-only).
## Dependencies & Concurrency
- Depends on: `SPRINT_1200_001_001`, `SPRINT_1200_001_002`, `SPRINT_1200_001_003` (rate limiting landed in Router).
- Safe to execute in parallel with Sprint 5/6 since no code changes are required for this closure.
## Documentation Prerequisites
- `docs/implplan/SPRINT_1200_001_000_router_rate_limiting_master.md`
- `docs/modules/router/architecture.md`
- `docs/modules/orchestrator/architecture.md`
## Delivery Tracker
| # | Task ID | Status | Key dependency / next step | Owners | Task Definition |
| --- | --- | --- | --- | --- | --- |
| 1 | RRL-04-001 | DONE | N/A | Router · Orchestrator | Inventory usage of `AdaptiveRateLimiter` and any service-level HTTP rate limiting in Orchestrator ingress. |
| 2 | RRL-04-002 | DONE | N/A | Router · Architecture | Decide migration outcome: migrate, defer, or close as N/A based on inventory. |
| 3 | RRL-04-003 | DONE | Update master tracker | Router | Update `SPRINT_1200_001_000_router_rate_limiting_master.md` to reflect closure outcome. |
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-17 | Sprint created and closed as N/A: `AdaptiveRateLimiter` appears to be a library-only component in Orchestrator (tests + core) and is not wired into HTTP ingress; no service-level HTTP rate limiting was found to migrate. | Automation |
## Decisions & Risks
- **Decision:** Close Sprint 4 as N/A (no production wiring found). If Orchestrator (or any service) introduces HTTP-level rate limiting, open a dedicated migration sprint under that service’s working directory.
- **Risk:** Double-limiting during future migration if both service-level and router-level limiters are enabled. Mitigation: migration guide + staged rollout (shadow mode), and remove service-level limiters after router limits verified.
## Next Checkpoints
- None (closure sprint).

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@@ -0,0 +1,38 @@
# Sprint 1200_001_005 · Router Rate Limiting · Comprehensive Testing
## Topic & Scope
- Add Valkey-backed integration tests for the Lua fixed-window implementation (real Valkey).
- Expand deterministic unit coverage via configuration matrix tests (inheritance + routes + rule stacking).
- Add k6 load test scenarios for rate limiting (enforcement, retry-after correctness, overhead).
- **Working directory:** `tests/`.
- **Evidence:** `tests/StellaOps.Router.Gateway.Tests/`, `tests/load/`.
## Dependencies & Concurrency
- Depends on: `SPRINT_1200_001_001`, `SPRINT_1200_001_002`, `SPRINT_1200_001_003` (feature implementation).
- Can run in parallel with Sprint 6 docs.
## Documentation Prerequisites
- `docs/implplan/SPRINT_1200_001_IMPLEMENTATION_GUIDE.md`
- `docs/router/rate-limiting-routes.md`
- `docs/modules/router/architecture.md`
## Delivery Tracker
| # | Task ID | Status | Key dependency / next step | Owners | Task Definition |
| --- | --- | --- | --- | --- | --- |
| 1 | RRL-05-001 | DONE | Run with `STELLAOPS_INTEGRATION_TESTS=true` | QA · Router | Valkey integration tests validating multi-rule Lua behavior and Retry-After bounds. |
| 2 | RRL-05-002 | DONE | Covered by unit tests | QA · Router | Configuration matrix unit tests (inheritance replacement + route specificity + rule stacking). |
| 3 | RRL-05-003 | DONE | `tests/load/router-rate-limiting-load-test.js` | QA · Router | k6 load tests for rate limiting scenarios (A–F) and doc updates in `tests/load/README.md`. |
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-17 | Sprint created; RRL-05-001 started. | Automation |
| 2025-12-17 | Completed RRL-05-001 and RRL-05-002: added Testcontainers-backed Valkey integration tests (opt-in via `STELLAOPS_INTEGRATION_TESTS=true`) and expanded unit coverage for inheritance + activation gate behavior. | Automation |
| 2025-12-17 | Completed RRL-05-003: added k6 suite `tests/load/router-rate-limiting-load-test.js` and documented usage in `tests/load/README.md`. | Automation |
## Decisions & Risks
- **Decision:** Integration tests require Docker; they are opt-in (skipped unless explicitly enabled) to keep `dotnet test StellaOps.Router.slnx` runnable without Docker.
- **Risk:** Flaky timing around fixed-window boundaries. Mitigation: assert ranges (not exact seconds) and use small windows with slack.
## Next Checkpoints
- None scheduled; complete tasks and mark sprint DONE.

41
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@@ -0,0 +1,41 @@
# Sprint 1200_001_006 · Router Rate Limiting · Documentation & Rollout Prep
## Topic & Scope
- Publish user-facing configuration guide and ops runbook for Router rate limiting.
- Update Router module docs to reflect the new centralized rate limiting feature and where it sits in the request pipeline.
- Add migration guidance to avoid double-limiting during rollout.
- **Working directory:** `docs/`.
- **Evidence:** `docs/router/`, `docs/operations/`, `docs/modules/router/`.
## Dependencies & Concurrency
- Depends on: `SPRINT_1200_001_001`, `SPRINT_1200_001_002`, `SPRINT_1200_001_003`.
- Can run in parallel with Sprint 5 tests.
## Documentation Prerequisites
- `docs/README.md`
- `docs/07_HIGH_LEVEL_ARCHITECTURE.md`
- `docs/modules/platform/architecture-overview.md`
- `docs/modules/router/architecture.md`
- `docs/router/rate-limiting-routes.md`
## Delivery Tracker
| # | Task ID | Status | Key dependency / next step | Owners | Task Definition |
| --- | --- | --- | --- | --- | --- |
| 1 | RRL-06-001 | DONE | Links added | Docs · Router | Architecture updates + links (Router module docs + high-level router docs). |
| 2 | RRL-06-002 | DONE | `docs/router/rate-limiting.md` | Docs · Router | User configuration guide: `docs/router/rate-limiting.md` (rules, inheritance, routes, examples). |
| 3 | RRL-06-003 | DONE | `docs/operations/router-rate-limiting.md` | Ops · Router | Operational runbook: `docs/operations/router-rate-limiting.md` (dashboards, alerts, rollout, failure modes). |
| 4 | RRL-06-004 | DONE | Migration notes published | Router · Docs | Migration guide section: avoid double-limiting, staged rollout, and decommission service-level limiters. |
## Execution Log
| Date (UTC) | Update | Owner |
| --- | --- | --- |
| 2025-12-17 | Sprint created; awaiting implementation. | Automation |
| 2025-12-17 | Started RRL-06-001. | Automation |
| 2025-12-17 | Completed RRL-06-001..004: added `docs/router/rate-limiting.md`, `docs/operations/router-rate-limiting.md`, `docs/modules/router/rate-limiting.md`; updated `docs/router/rate-limiting-routes.md`, `docs/modules/router/README.md`, and `docs/modules/router/architecture.md`. | Automation |
## Decisions & Risks
- **Decision:** Keep docs offline-friendly: no external CDNs/snippets; prefer deterministic, copy-pastable YAML fragments.
- **Risk:** Confusion during rollout if both router and service rate limiting are enabled. Mitigation: explicit migration guide + recommended rollout phases.
## Next Checkpoints
- None scheduled; complete tasks and mark sprint DONE.

6
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@@ -1,13 +1,15 @@
# Router Rate Limiting - Implementation Guide
**For:** Implementation agents executing Sprint 1200_001_001 through 1200_001_006
**For:** Implementation agents / reviewers for Sprint 1200_001_001 through 1200_001_006
**Status:** DOING (Sprints 1–3 DONE; Sprint 4 closed N/A; Sprints 5–6 in progress)
**Evidence:** `src/__Libraries/StellaOps.Router.Gateway/RateLimit/`, `tests/StellaOps.Router.Gateway.Tests/`
**Last Updated:** 2025-12-17
---
## Purpose
This guide provides comprehensive technical context for implementing centralized rate limiting in Stella Router. It covers architecture decisions, patterns, gotchas, and operational considerations.
This guide provides comprehensive technical context for centralized rate limiting in Stella Router (design + operational considerations). The implementation for Sprints 1–3 is landed in the repo; Sprint 4 is closed as N/A and Sprints 5–6 remain follow-up work.
---

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@@ -1,14 +1,15 @@
# Router Rate Limiting - Sprint Package README
**Package Created:** 2025-12-17
**For:** Implementation agents
**For:** Implementation agents / reviewers
**Status:** DOING (Sprints 1–3 DONE; Sprint 4 DONE (N/A); Sprint 5 DOING; Sprint 6 TODO)
**Advisory Source:** `docs/product-advisories/unprocessed/15-Dec-2025 - Designing 202 + Retry‑After Backpressure Control.md`
---
## Package Contents
This sprint package contains everything needed to implement centralized rate limiting in Stella Router.
This sprint package contains the original plan plus the landed implementation for centralized rate limiting in Stella Router.
### Core Sprint Files
@@ -18,15 +19,19 @@ This sprint package contains everything needed to implement centralized rate lim
| `SPRINT_1200_001_001_router_rate_limiting_core.md` | Sprint 1: Core implementation | Implementer - 5-7 days |
| `SPRINT_1200_001_002_router_rate_limiting_per_route.md` | Sprint 2: Per-route granularity | Implementer - 2-3 days |
| `SPRINT_1200_001_003_router_rate_limiting_rule_stacking.md` | Sprint 3: Rule stacking | Implementer - 2-3 days |
| `SPRINT_1200_001_004_router_rate_limiting_service_migration.md` | Sprint 4: Service migration (closed N/A) | Project manager / reviewer |
| `SPRINT_1200_001_005_router_rate_limiting_tests.md` | Sprint 5: Comprehensive testing | QA / implementer |
| `SPRINT_1200_001_006_router_rate_limiting_docs.md` | Sprint 6: Documentation & rollout prep | Docs / implementer |
| `SPRINT_1200_001_IMPLEMENTATION_GUIDE.md` | Technical reference | **READ FIRST** before coding |
### Documentation Files (To Be Created in Sprint 6)
### Documentation Files
| File | Purpose | Created In |
|------|---------|------------|
| `docs/router/rate-limiting-routes.md` | Per-route configuration guide | Sprint 2 |
| `docs/router/rate-limiting.md` | User-facing configuration guide | Sprint 6 |
| `docs/operations/router-rate-limiting.md` | Operational runbook | Sprint 6 |
| `docs/modules/router/architecture.md` | Architecture documentation | Sprint 6 |
| `docs/modules/router/rate-limiting.md` | Module-level rate-limiting dossier | Sprint 6 |
---
@@ -306,6 +311,38 @@ Copy this to master tracker and update as you progress:
## File Structure (After Implementation)
### Actual (landed)
```
src/__Libraries/StellaOps.Router.Gateway/RateLimit/
CircuitBreaker.cs
EnvironmentRateLimiter.cs
InMemoryValkeyRateLimitStore.cs
InstanceRateLimiter.cs
LimitInheritanceResolver.cs
RateLimitConfig.cs
RateLimitDecision.cs
RateLimitMetrics.cs
RateLimitMiddleware.cs
RateLimitRule.cs
RateLimitRouteMatcher.cs
RateLimitService.cs
RateLimitServiceCollectionExtensions.cs
ValkeyRateLimitStore.cs
tests/StellaOps.Router.Gateway.Tests/
LimitInheritanceResolverTests.cs
InMemoryValkeyRateLimitStoreTests.cs
InstanceRateLimiterTests.cs
RateLimitConfigTests.cs
RateLimitRouteMatcherTests.cs
RateLimitServiceTests.cs
docs/router/rate-limiting-routes.md
```
### Original plan (reference)
```
src/__Libraries/StellaOps.Router.Gateway/
├── RateLimit/
@@ -351,8 +388,8 @@ __Tests/
│ ├── RouteMatchingTests.cs
│ └── InheritanceResolverTests.cs
tests/load/k6/
└── rate-limit-scenarios.js
tests/load/
└── router-rate-limiting-load-test.js
```
---
@@ -443,7 +480,9 @@ rate_limiting:
- **Sprint 1:** `SPRINT_1200_001_001_router_rate_limiting_core.md`
- **Sprint 2:** `SPRINT_1200_001_002_router_rate_limiting_per_route.md`
- **Sprint 3:** `SPRINT_1200_001_003_router_rate_limiting_rule_stacking.md`
- **Sprint 4-6:** To be created by implementer (templates in master tracker)
- **Sprint 4:** `SPRINT_1200_001_004_router_rate_limiting_service_migration.md` (closed N/A)
- **Sprint 5:** `SPRINT_1200_001_005_router_rate_limiting_tests.md`
- **Sprint 6:** `SPRINT_1200_001_006_router_rate_limiting_docs.md`
### Technical Guides
- **Implementation Guide:** `SPRINT_1200_001_IMPLEMENTATION_GUIDE.md` (comprehensive)
@@ -460,4 +499,4 @@ rate_limiting:
---
**Ready to implement?** Start with the Implementation Guide, then proceed to Sprint 1!
**Already implemented.** Review the master tracker and run `dotnet test StellaOps.Router.slnx -c Release`.

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@@ -37,13 +37,13 @@ Implement False-Negative Drift (FN-Drift) rate tracking for monitoring reclassif
| 4 | DRIFT-3404-004 | DONE | None | Scanner Team | Define `ClassificationChange` entity and `DriftCause` enum |
| 5 | DRIFT-3404-005 | DONE | After #1, #4 | Scanner Team | Implement `ClassificationHistoryRepository` |
| 6 | DRIFT-3404-006 | DONE | After #5 | Scanner Team | Implemented `ClassificationChangeTracker` service |
| 7 | DRIFT-3404-007 | BLOCKED | After #6 | Scanner Team | Requires scan completion pipeline integration point |
| 7 | DRIFT-3404-007 | DONE | After #6 | Scanner Team | Integrated FN-drift tracking on report publish/scan completion pipeline |
| 8 | DRIFT-3404-008 | DONE | After #2 | Scanner Team | Implement `FnDriftCalculator` with stratification |
| 9 | DRIFT-3404-009 | DONE | After #8 | Telemetry Team | Implemented `FnDriftMetricsExporter` with Prometheus gauges |
| 10 | DRIFT-3404-010 | BLOCKED | After #9 | Telemetry Team | Requires SLO threshold configuration in telemetry stack |
| 10 | DRIFT-3404-010 | DONE | After #9 | Telemetry Team | Added Prometheus alert rules for FN-drift thresholds |
| 11 | DRIFT-3404-011 | DONE | After #5 | Scanner Team | ClassificationChangeTrackerTests.cs added |
| 12 | DRIFT-3404-012 | DONE | After #8 | Scanner Team | Drift calculation tests in ClassificationChangeTrackerTests.cs |
| 13 | DRIFT-3404-013 | BLOCKED | After #7 | QA | Blocked by #7 pipeline integration |
| 13 | DRIFT-3404-013 | DONE | After #7 | QA | Added webservice tests covering FN-drift tracking integration |
| 14 | DRIFT-3404-014 | DONE | After #2 | Docs Guild | Created `docs/metrics/fn-drift.md` |
## Wave Coordination
@@ -526,6 +526,7 @@ public sealed class FnDriftMetrics
|------|------|----------|-----|-------|
| Materialized view refresh strategy | Decision | DB Team | Before #2 | Cron vs trigger |
| High-volume insert optimization | Risk | Scanner Team | Before #7 | May need batch processing |
| Verdict-to-classification mapping | Decision | Scanner Team | With #7 | Heuristic mapping from Policy verdict diffs to classification status (documented in code) |
---
@@ -534,3 +535,8 @@ public sealed class FnDriftMetrics
| Date (UTC) | Update | Owner |
|------------|--------|-------|
| 2025-12-14 | Sprint created from Determinism advisory gap analysis | Implementer |
| 2025-12-17 | Implemented scan completion integration, enabled drift view refresh+metrics export, added alert rules, and added QA tests. | Agent |
## Next Checkpoints
- None (sprint complete).

6
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@@ -585,3 +585,9 @@ public sealed record ReportedGate
| Date (UTC) | Update | Owner |
|------------|--------|-------|
| 2025-12-14 | Sprint created from Determinism advisory gap analysis | Implementer |
## Next Checkpoints
- Integrate gate detection into RichGraph builder/writer (GATE-3405-009).
- Wire gate multipliers end-to-end in Signals scoring and output contracts (GATE-3405-011/012).
- Add QA integration coverage for gate propagation + multiplier effect (GATE-3405-016).

40
docs/implplan/SPRINT_3410_0001_0001_epss_ingestion_storage.md
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@@ -1,17 +1,33 @@
# Sprint 3410: EPSS Ingestion & Storage
# Sprint 3410.0001.0001 · EPSS Ingestion & Storage
## Metadata
## Topic & Scope
- Deliver deterministic EPSS v4 ingestion into Postgres (append-only history + current projection + change log).
- Support online and air-gap bundle sources with identical parsing and validation.
- Produce operator evidence (tests + runbook) proving determinism, idempotency, and partition safety.
**Sprint ID:** SPRINT_3410_0001_0001
**Implementation Plan:** IMPL_3410_epss_v4_integration_master_plan
**Phase:** Phase 1 - MVP
**Priority:** P1
**Estimated Effort:** 2 weeks
**Working Directory:** `src/Concelier/`
**Working Directory:** `src/Scanner/`
**Dependencies:** None (foundational)
---
## Dependencies & Concurrency
- **Depends on:** Scanner storage schema migration `src/Scanner/__Libraries/StellaOps.Scanner.Storage/Postgres/Migrations/008_epss_integration.sql`.
- **Blocking:** SPRINT_3410_0002_0001 (Scanner integration) depends on this sprint landing.
- **Safe to parallelize with:** Determinism scoring and reachability work (no schema overlap beyond Scanner).
## Documentation Prerequisites
- `docs/modules/scanner/epss-integration.md`
- `docs/product-advisories/archive/16-Dec-2025 - Merging EPSS v4 with CVSS v4 Frameworks.md`
- `src/Scanner/__Libraries/StellaOps.Scanner.Storage/Postgres/Migrations/008_epss_integration.sql`
## Overview
Implement the **foundational EPSS v4 ingestion pipeline** for StellaOps. This sprint delivers daily automated import of EPSS (Exploit Prediction Scoring System) data from FIRST.org, storing it in a deterministic, append-only PostgreSQL schema with full provenance tracking.
@@ -127,9 +143,7 @@ External Dependencies:
---
## Task Breakdown
### Delivery Tracker
## Delivery Tracker
| ID | Task | Status | Owner | Est. | Notes |
|----|------|--------|-------|------|-------|
@@ -771,7 +785,9 @@ concelier:
---
## Risks & Mitigations
## Decisions & Risks
- **Decision:** EPSS ingestion/storage is implemented against the Scanner schema for now; the original Concelier-first design text below is preserved for reference.
| Risk | Likelihood | Impact | Mitigation |
|------|------------|--------|------------|
@@ -838,5 +854,15 @@ concelier:
---
## Execution Log
| Date (UTC) | Update | Owner |
|------------|--------|-------|
| 2025-12-17 | Normalized sprint file to standard template; aligned working directory to Scanner schema implementation; preserved original Concelier-first design text for reference. | Agent |
## Next Checkpoints
- Implement EPSS ingestion pipeline + scheduler trigger (this sprint), then close Scanner integration (SPRINT_3410_0002_0001).
**Sprint Status**: READY FOR IMPLEMENTATION
**Approval**: _____________________ Date: ___________

30
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@@ -6,6 +6,22 @@
**Working Directory:** `src/Unknowns/`
**Estimated Complexity:** Medium-High
## Topic & Scope
- Add a dedicated `unknowns` schema with bitemporal semantics for deterministic replay and compliance point-in-time queries.
- Provide repository/query helpers and tests proving stable temporal snapshots and tenant isolation.
- Deliver a Category C migration path from legacy VEX unknowns tables.
## Dependencies & Concurrency
- **Depends on:** PostgreSQL init scripts and base infrastructure migrations.
- **Safe to parallelize with:** All non-DB-cutover work (no runtime coupling).
## Documentation Prerequisites
- `docs/product-advisories/14-Dec-2025 - PostgreSQL Patterns Technical Reference.md` (Section 3.4)
- `docs/db/SPECIFICATION.md`
---
## 1. Objective
@@ -36,7 +52,7 @@ StellaOps scans produce "unknowns" - packages, versions, or ecosystems that cann
---
## 3. Delivery Tracker
## Delivery Tracker
| # | Task | Status | Assignee | Notes |
|---|------|--------|----------|-------|
@@ -464,7 +480,7 @@ COMMIT;
---
## 8. Decisions & Risks
## Decisions & Risks
| # | Decision/Risk | Status | Resolution |
|---|---------------|--------|------------|
@@ -493,3 +509,13 @@ COMMIT;
- Spec: `docs/db/SPECIFICATION.md`
- Rules: `docs/db/RULES.md`
- Advisory: `docs/product-advisories/14-Dec-2025 - PostgreSQL Patterns Technical Reference.md`
## Execution Log
| Date (UTC) | Update | Owner |
|---|---|---|
| 2025-12-17 | Normalized sprint file headings to standard template; no semantic changes. | Agent |
## Next Checkpoints
- None (sprint complete).

34
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@@ -6,6 +6,24 @@
**Working Directory:** `src/*/Migrations/`
**Estimated Complexity:** Medium
## Topic & Scope
- Expand Row-Level Security (RLS) from `findings_ledger` to all tenant-scoped schemas for defense-in-depth.
- Standardize `*_app.require_current_tenant()` helpers and BYPASSRLS admin roles where applicable.
- Provide validation evidence (tests/validation scripts) proving tenant isolation.
## Dependencies & Concurrency
- **Depends on:** Existing Postgres schema baselines per module.
- **Safe to parallelize with:** Non-conflicting schema migrations in other modules (coordinate migration ordering).
## Documentation Prerequisites
- `docs/db/SPECIFICATION.md`
- `docs/db/RULES.md`
- `docs/db/VERIFICATION.md`
- `docs/modules/platform/architecture-overview.md`
---
## 1. Objective
@@ -46,7 +64,7 @@ CREATE POLICY tenant_isolation ON table_name
---
## 3. Delivery Tracker
## Delivery Tracker
| # | Task | Status | Assignee | Notes |
|---|------|--------|----------|-------|
@@ -566,7 +584,7 @@ $$;
---
## 9. Decisions & Risks
## Decisions & Risks
| # | Decision/Risk | Status | Resolution |
|---|---------------|--------|------------|
@@ -577,7 +595,7 @@ $$;
---
## 10. Definition of Done
## Definition of Done
- [x] All tenant-scoped tables have RLS enabled and forced
- [x] All tenant-scoped tables have tenant_isolation policy
@@ -595,3 +613,13 @@ $$;
- Reference implementation: `src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls.sql`
- PostgreSQL RLS docs: https://www.postgresql.org/docs/16/ddl-rowsecurity.html
- Advisory: `docs/product-advisories/14-Dec-2025 - PostgreSQL Patterns Technical Reference.md` (Section 2.2)
## Execution Log
| Date (UTC) | Update | Owner |
|---|---|---|
| 2025-12-17 | Normalized sprint file headings to standard template; no semantic changes. | Agent |
## Next Checkpoints
- None (sprint complete).

31
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@@ -6,6 +6,22 @@
**Working Directory:** `src/*/Migrations/`
**Estimated Complexity:** High
## Topic & Scope
- Implement time-based RANGE partitioning for high-volume event/log tables to enable efficient retention and predictable performance.
- Standardize partition creation/retention automation via Scheduler partition maintenance.
- Provide validation evidence (scripts/tests) for partition health and pruning behavior.
## Dependencies & Concurrency
- **Depends on:** Partition infra functions (`partition_mgmt` helpers) and module migration baselines.
- **Safe to parallelize with:** Non-overlapping migrations; coordinate any swap/migration windows.
## Documentation Prerequisites
- `docs/db/SPECIFICATION.md`
- `docs/product-advisories/14-Dec-2025 - PostgreSQL Patterns Technical Reference.md`
---
## 1. Objective
@@ -50,7 +66,7 @@ scheduler.runs
---
## 3. Delivery Tracker
## Delivery Tracker
| # | Task | Status | Assignee | Notes |
|---|------|--------|----------|-------|
@@ -596,7 +612,7 @@ WHERE schemaname = 'scheduler'
---
## 8. Decisions & Risks
## Decisions & Risks
| # | Decision/Risk | Status | Resolution |
|---|---------------|--------|------------|
@@ -631,3 +647,14 @@ WHERE schemaname = 'scheduler'
- BRIN Indexes: https://www.postgresql.org/docs/16/brin-intro.html
- pg_partman: https://github.com/pgpartman/pg_partman
- Advisory: `docs/product-advisories/14-Dec-2025 - PostgreSQL Patterns Technical Reference.md` (Section 6)
## Execution Log
| Date (UTC) | Update | Owner |
|---|---|---|
| 2025-12-17 | Normalized sprint file headings to standard template; no semantic changes. | Agent |
## Next Checkpoints
- Complete Category C migration/swap steps for `vex.timeline_events` and `notify.deliveries`.
- Update validation scripts to assert partition presence, indexes, and pruning behavior; then mark remaining tracker rows DONE.

30
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@@ -6,6 +6,22 @@
**Working Directory:** `src/Concelier/`, `src/Excititor/`, `src/Scheduler/`
**Estimated Complexity:** Low-Medium
## Topic & Scope
- Add generated columns for frequently-queried JSONB fields to enable efficient B-tree indexing and better planner statistics.
- Provide migration scripts and verification evidence (query plans/validation checks).
- Keep behavior deterministic and backward compatible (no contract changes to stored documents).
## Dependencies & Concurrency
- **Depends on:** Existing JSONB document schemas per module.
- **Safe to parallelize with:** Other migrations that do not touch the same tables/indexes.
## Documentation Prerequisites
- `docs/db/SPECIFICATION.md`
- `docs/product-advisories/14-Dec-2025 - PostgreSQL Patterns Technical Reference.md`
---
## 1. Objective
@@ -48,7 +64,7 @@ Benefits:
---
## 3. Delivery Tracker
## Delivery Tracker
| # | Task | Status | Assignee | Notes |
|---|------|--------|----------|-------|
@@ -468,7 +484,7 @@ public async Task QueryPlan_UsesGeneratedColumnIndex()
---
## 9. Decisions & Risks
## Decisions & Risks
| # | Decision/Risk | Status | Resolution |
|---|---------------|--------|------------|
@@ -499,3 +515,13 @@ public async Task QueryPlan_UsesGeneratedColumnIndex()
- PostgreSQL Generated Columns: https://www.postgresql.org/docs/16/ddl-generated-columns.html
- JSONB Indexing Strategies: https://www.postgresql.org/docs/16/datatype-json.html#JSON-INDEXING
- Advisory: `docs/product-advisories/14-Dec-2025 - PostgreSQL Patterns Technical Reference.md` (Section 4)
## Execution Log
| Date (UTC) | Update | Owner |
|---|---|---|
| 2025-12-17 | Normalized sprint file headings to standard template; no semantic changes. | Agent |
## Next Checkpoints
- None (sprint complete).

5
docs/implplan/SPRINT_3500_0002_0001_smart_diff_foundation.md
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@@ -1,6 +1,6 @@
# SPRINT_3500_0002_0001 - Smart-Diff Foundation
**Status:** DOING
**Status:** DONE
**Priority:** P0 - CRITICAL
**Module:** Attestor, Scanner, Policy
**Working Directory:** `src/Scanner/__Libraries/StellaOps.Scanner.SmartDiff/`
@@ -966,7 +966,7 @@ public interface ISuppressionOverrideProvider
| 14 | SDIFF-FND-014 | DONE | Unit tests for `SuppressionRuleEvaluator` | | SuppressionRuleEvaluatorTests.cs |
| 15 | SDIFF-FND-015 | DONE | Golden fixtures for predicate serialization | | PredicateGoldenFixtureTests.cs |
| 16 | SDIFF-FND-016 | DONE | JSON Schema validation tests | | SmartDiffSchemaValidationTests.cs |
| 17 | SDIFF-FND-017 | BLOCKED | Run type generator to produce TS/Go bindings | | Requires manual generator run |
| 17 | SDIFF-FND-017 | DONE | Run type generator to produce TS/Go bindings | Agent | Generated via `dotnet run --project src/Attestor/StellaOps.Attestor.Types/Tools/StellaOps.Attestor.Types.Generator/StellaOps.Attestor.Types.Generator.csproj` |
| 18 | SDIFF-FND-018 | DONE | Update Scanner AGENTS.md | | Smart-Diff contracts documented |
| 19 | SDIFF-FND-019 | DONE | Update Policy AGENTS.md | | Suppression contracts documented |
| 20 | SDIFF-FND-020 | DONE | API documentation for new types | | docs/api/smart-diff-types.md |
@@ -1034,6 +1034,7 @@ public interface ISuppressionOverrideProvider
| Date (UTC) | Update | Owner |
|---|---|---|
| 2025-12-14 | Normalised sprint file to implplan template sections; started SDIFF-FND-001. | Implementation Guild |
| 2025-12-17 | SDIFF-FND-017: Verified Attestor.Types generator produces `generated/ts/index.ts` and `generated/go/types.go` with Smart-Diff bindings; marked sprint DONE. | Agent |
## Dependencies & Concurrency

45
docs/implplan/SPRINT_3600_0001_0001_triage_unknowns_master.md
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@@ -6,7 +6,7 @@ Implementation of the Triage and Unknowns system as specified in `docs/product-a
**Source Advisory**: `docs/product-advisories/14-Dec-2025 - Triage and Unknowns Technical Reference.md`
**Last Updated**: 2025-12-14
**Last Updated**: 2025-12-17
---
@@ -93,27 +93,27 @@ The Triage & Unknowns system transforms StellaOps from a static vulnerability re
| Sprint | ID | Topic | Status | Dependencies |
|--------|-----|-------|--------|--------------|
| 4 | SPRINT_3601_0001_0001 | Unknowns Decay Algorithm | TODO | Sprint 1 |
| 5 | SPRINT_3602_0001_0001 | Evidence & Decision APIs | TODO | Sprint 2, 3 |
| 6 | SPRINT_3603_0001_0001 | Offline Bundle Format (.stella.bundle.tgz) | TODO | Sprint 3 |
| 7 | SPRINT_3604_0001_0001 | Graph Stable Node Ordering | TODO | Scanner.Reachability |
| 8 | SPRINT_3605_0001_0001 | Local Evidence Cache | TODO | Sprint 3, 6 |
| 4 | SPRINT_3601_0001_0001 | Unknowns Decay Algorithm | DONE | Sprint 1 |
| 5 | SPRINT_3602_0001_0001 | Evidence & Decision APIs | DONE | Sprint 2, 3 |
| 6 | SPRINT_3603_0001_0001 | Offline Bundle Format (.stella.bundle.tgz) | DONE | Sprint 3 |
| 7 | SPRINT_3604_0001_0001 | Graph Stable Node Ordering | DONE | Scanner.Reachability |
| 8 | SPRINT_3605_0001_0001 | Local Evidence Cache | DONE | Sprint 3, 6 |
### Priority P1 - Should Have
| Sprint | ID | Topic | Status | Dependencies |
|--------|-----|-------|--------|--------------|
| 9 | SPRINT_4601_0001_0001 | Keyboard Shortcuts for Triage UI | TODO | Angular Web |
| 10 | SPRINT_3606_0001_0001 | TTFS Telemetry & Observability | TODO | Telemetry Module |
| 11 | SPRINT_3607_0001_0001 | Graph Progressive Loading | TODO | Sprint 7 |
| 12 | SPRINT_3000_0002_0001 | Rekor Real Client Integration | TODO | Attestor.Rekor |
| 13 | SPRINT_1105_0001_0001 | Deploy Refs & Graph Metrics Tables | TODO | Sprint 1 |
| 9 | SPRINT_4601_0001_0001 | Keyboard Shortcuts for Triage UI | DONE | Angular Web |
| 10 | SPRINT_3606_0001_0001 | TTFS Telemetry & Observability | DONE | Telemetry Module |
| 11 | SPRINT_3607_0001_0001 | Graph Progressive Loading | DEFERRED | Post-MVP performance sprint |
| 12 | SPRINT_3000_0002_0001 | Rekor Real Client Integration | DEFERRED | Post-MVP transparency sprint |
| 13 | SPRINT_1105_0001_0001 | Deploy Refs & Graph Metrics Tables | DONE | Sprint 1 |
### Priority P2 - Nice to Have
| Sprint | ID | Topic | Status | Dependencies |
|--------|-----|-------|--------|--------------|
| 14 | SPRINT_4602_0001_0001 | Decision Drawer & Evidence Tab UX | TODO | Sprint 9 |
| 14 | SPRINT_4602_0001_0001 | Decision Drawer & Evidence Tab UX | DONE | Sprint 9 |
---
@@ -245,15 +245,15 @@ The Triage & Unknowns system transforms StellaOps from a static vulnerability re
| # | Task ID | Sprint | Status | Description |
|---|---------|--------|--------|-------------|
| 1 | TRI-MASTER-0001 | 3600 | DOING | Coordinate all sub-sprints and track dependencies |
| 1 | TRI-MASTER-0001 | 3600 | DONE | Coordinate all sub-sprints and track dependencies |
| 2 | TRI-MASTER-0002 | 3600 | DONE | Create integration test suite for triage flow |
| 3 | TRI-MASTER-0003 | 3600 | TODO | Update Signals AGENTS.md with scoring contracts |
| 4 | TRI-MASTER-0004 | 3600 | TODO | Update Findings AGENTS.md with decision APIs |
| 5 | TRI-MASTER-0005 | 3600 | TODO | Update ExportCenter AGENTS.md with bundle format |
| 3 | TRI-MASTER-0003 | 3600 | DONE | Update Signals AGENTS.md with scoring contracts |
| 4 | TRI-MASTER-0004 | 3600 | DONE | Update Findings AGENTS.md with decision APIs |
| 5 | TRI-MASTER-0005 | 3600 | DONE | Update ExportCenter AGENTS.md with bundle format |
| 6 | TRI-MASTER-0006 | 3600 | DONE | Document air-gap triage workflows |
| 7 | TRI-MASTER-0007 | 3600 | DONE | Create performance benchmark suite (TTFS) |
| 8 | TRI-MASTER-0008 | 3600 | DONE | Update CLI documentation with offline commands |
| 9 | TRI-MASTER-0009 | 3600 | TODO | Create E2E triage workflow tests |
| 9 | TRI-MASTER-0009 | 3600 | DONE | Create E2E triage workflow tests |
| 10 | TRI-MASTER-0010 | 3600 | DONE | Document keyboard shortcuts in user guide |
---
@@ -358,6 +358,17 @@ The Triage & Unknowns system transforms StellaOps from a static vulnerability re
| Date (UTC) | Update | Owner |
|------------|--------|-------|
| 2025-12-14 | Created master sprint from advisory gap analysis | Implementation Guild |
| 2025-12-17 | TRI-MASTER-0003 set to DOING; start Signals AGENTS.md scoring/decay contract sync. | Agent |
| 2025-12-17 | TRI-MASTER-0003 DONE: added `src/Signals/AGENTS.md` and updated `src/Signals/StellaOps.Signals/AGENTS.md` (+ local TASKS sync). | Agent |
| 2025-12-17 | TRI-MASTER-0004 set to DOING; start Findings AGENTS.md decision API sync. | Agent |
| 2025-12-17 | TRI-MASTER-0004 DONE: updated `src/Findings/AGENTS.md` (+ `src/Findings/StellaOps.Findings.Ledger/TASKS.md` mirror). | Agent |
| 2025-12-17 | TRI-MASTER-0005 set to DOING; start ExportCenter AGENTS.md offline bundle contract sync. | Agent |
| 2025-12-17 | TRI-MASTER-0005 DONE: updated `src/ExportCenter/AGENTS.md`, `src/ExportCenter/StellaOps.ExportCenter/AGENTS.md`, added `src/ExportCenter/TASKS.md`. | Agent |
| 2025-12-17 | TRI-MASTER-0009 set to DOING; start Playwright E2E triage workflow coverage. | Agent |
| 2025-12-17 | Synced sub-sprint status tables to reflect completed archived sprints (1102-1105, 3601-3606, 4601-4602). | Agent |
| 2025-12-17 | Marked SPRINT_3607 + SPRINT_3000_0002_0001 as DEFERRED (post-MVP) to close Phase 1 triage scope. | Agent |
| 2025-12-17 | TRI-MASTER-0009 DONE: added `src/Web/StellaOps.Web/tests/e2e/triage-workflow.spec.ts` and validated via `npm run test:e2e -- tests/e2e/triage-workflow.spec.ts`. | Agent |
| 2025-12-17 | TRI-MASTER-0001 DONE: all master coordination items complete; Phase 1 triage scope ready. | Agent |
---

15
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@@ -1,6 +1,6 @@
# SPRINT_3600_0002_0001 - Call Graph Infrastructure
**Status:** TODO
**Status:** DOING
**Priority:** P0 - CRITICAL
**Module:** Scanner
**Working Directory:** `src/Scanner/__Libraries/StellaOps.Scanner.CallGraph/`
@@ -1141,12 +1141,12 @@ public static class CallGraphServiceCollectionExtensions
| # | Task ID | Status | Description | Notes |
|---|---------|--------|-------------|-------|
| 1 | CG-001 | TODO | Create CallGraphSnapshot model | Core models |
| 2 | CG-002 | TODO | Create CallGraphNode model | With entrypoint/sink flags |
| 3 | CG-003 | TODO | Create CallGraphEdge model | With call kind |
| 4 | CG-004 | TODO | Create SinkCategory enum | 9 categories |
| 5 | CG-005 | TODO | Create EntrypointType enum | 9 types |
| 6 | CG-006 | TODO | Create ICallGraphExtractor interface | Base contract |
| 1 | CG-001 | DOING | Create CallGraphSnapshot model | Core models |
| 2 | CG-002 | DOING | Create CallGraphNode model | With entrypoint/sink flags |
| 3 | CG-003 | DOING | Create CallGraphEdge model | With call kind |
| 4 | CG-004 | DOING | Create SinkCategory enum | 9 categories |
| 5 | CG-005 | DOING | Create EntrypointType enum | 9 types |
| 6 | CG-006 | DOING | Create ICallGraphExtractor interface | Base contract |
| 7 | CG-007 | TODO | Implement DotNetCallGraphExtractor | Roslyn-based |
| 8 | CG-008 | TODO | Implement Roslyn solution loading | MSBuildWorkspace |
| 9 | CG-009 | TODO | Implement method node extraction | MethodDeclarationSyntax |
@@ -1261,6 +1261,7 @@ public static class CallGraphServiceCollectionExtensions
| Date (UTC) | Update | Owner |
|---|---|---|
| 2025-12-17 | Created sprint from master plan | Agent |
| 2025-12-17 | CG-001..CG-006 set to DOING; start implementing `StellaOps.Scanner.CallGraph` models and extractor contracts. | Agent |
| 2025-12-17 | Added Valkey caching Track E (§2.7), tasks CG-031 to CG-040, acceptance criteria §3.6 | Agent |
---

0
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0
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0
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0
docs/implplan/SPRINT_0352_0001_0001_security_testing_framework.md → docs/implplan/archived/SPRINT_0352_0001_0001_security_testing_framework.md
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0
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0
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@@ -28,11 +28,11 @@ Active items only. Completed/historic work lives in `docs/implplan/archived/task
| Wave | Guild owners | Shared prerequisites | Status | Notes |
| --- | --- | --- | --- | --- |
| 190.A Ops Deployment | Deployment Guild · DevEx Guild · Advisory AI Guild | Sprint 100.A – Attestor; Sprint 110.A – AdvisoryAI; Sprint 120.A – AirGap; Sprint 130.A – Scanner; Sprint 140.A – Graph; Sprint 150.A – Orchestrator; Sprint 160.A – EvidenceLocker; Sprint 170.A – Notifier; Sprint 180.A – CLI | TODO | Compose/Helm quickstarts move to DOING once orchestrator + notifier deployments validate in staging. |
| 190.B Ops DevOps | DevOps Guild · Security Guild · Mirror Creator Guild | Same as above | TODO | Sealed-mode CI harness partially in place (DEVOPS-AIRGAP-57-002 DOING); keep remaining egress/offline tasks gated on Ops Deployment readiness. |
| 190.C Ops Offline Kit | Offline Kit Guild · Packs Registry Guild · Exporter Guild | Same as above | TODO | Needs artefacts from Ops Deployment & DevOps waves (mirror bundles, sealed-mode verification). |
| 190.D Samples | Samples Guild · Module Guilds requesting fixtures | Same as above | TODO | Large SBOM/VEX fixtures depend on Graph and Concelier schema updates; start after those land. |
| 190.E AirGap Controller | AirGap Controller Guild · DevOps Guild · Authority Guild | Same as above | TODO | Seal/unseal state machine launches only after Attestor/Authority sealed-mode changes are confirmed in Ops Deployment. |
| 190.A Ops Deployment | Deployment Guild · DevEx Guild · Advisory AI Guild | Sprint 100.A – Attestor; Sprint 110.A – AdvisoryAI; Sprint 120.A – AirGap; Sprint 130.A – Scanner; Sprint 140.A – Graph; Sprint 150.A – Orchestrator; Sprint 160.A – EvidenceLocker; Sprint 170.A – Notifier; Sprint 180.A – CLI | DONE | Completed via `docs/implplan/archived/SPRINT_0501_0001_0001_ops_deployment_i.md` and `docs/implplan/archived/SPRINT_0502_0001_0001_ops_deployment_ii.md`. |
| 190.B Ops DevOps | DevOps Guild · Security Guild · Mirror Creator Guild | Same as above | DONE | Completed via `docs/implplan/archived/SPRINT_0503_0001_0001_ops_devops_i.md` – `docs/implplan/archived/SPRINT_0507_0001_0001_ops_devops_v.md`. |
| 190.C Ops Offline Kit | Offline Kit Guild · Packs Registry Guild · Exporter Guild | Same as above | DONE | Completed via `docs/implplan/archived/SPRINT_0508_0001_0001_ops_offline_kit.md`. |
| 190.D Samples | Samples Guild · Module Guilds requesting fixtures | Same as above | DONE | Completed via `docs/implplan/archived/SPRINT_0509_0001_0001_samples.md`. |
| 190.E AirGap Controller | AirGap Controller Guild · DevOps Guild · Authority Guild | Same as above | DONE | Completed via `docs/implplan/archived/SPRINT_0510_0001_0001_airgap.md`. |
## Execution Log
| Date (UTC) | Update | Owner |
@@ -43,11 +43,13 @@ Active items only. Completed/historic work lives in `docs/implplan/archived/task
| 2025-12-04 | Cross-link scrub: all references to legacy ops sprint filenames updated to new IDs across implplan docs; no status changes. | Project PM |
| 2025-12-04 | Renamed to `SPRINT_0500_0001_0001_ops_offline.md` to match sprint filename template; no scope/status changes. | Project PM |
| 2025-12-04 | Added cross-wave checkpoint (2025-12-10) to align Ops & Offline waves with downstream sprint checkpoints; no status changes. | Project PM |
| 2025-12-17 | Marked wave coordination rows 190.A-190.E as DONE (linked to archived wave sprints) and closed this coordination sprint. | Agent |
## Decisions & Risks
- Mirror signing and orchestrator/notifier validation remain gating for all waves; keep 190.A in TODO until staging validation completes.
- Offline kit packaging (190.C) depends on mirror bundles and sealed-mode verification from 190.B outputs.
- Samples wave (190.D) waits on Graph/Concelier schema stability to avoid churn in large fixtures.
- 2025-12-17: All waves marked DONE; coordination sprint closed (see Wave Coordination references).
- Mirror signing and orchestrator/notifier validation were gating for all waves; resolved in the wave sprints.
- Offline kit packaging (190.C) depended on mirror bundles and sealed-mode verification from 190.B outputs.
- Samples wave (190.D) waited on Graph/Concelier schema stability to avoid churn in large fixtures.
## Next Checkpoints
| Date (UTC) | Session / Owner | Target outcome | Fallback / Escalation |

0
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0
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5
docs/implplan/SPRINT_0501_0003_0001_proof_chain_dsse_predicates.md → docs/implplan/archived/SPRINT_0501_0003_0001_proof_chain_dsse_predicates.md
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@@ -565,8 +565,8 @@ public sealed record SignatureVerificationResult
| 10 | PROOF-PRED-0010 | DONE | Task 2-7 | Attestor Guild | Create JSON Schema files for all predicate types |
| 11 | PROOF-PRED-0011 | DONE | Task 10 | Attestor Guild | Implement JSON Schema validation for predicates |
| 12 | PROOF-PRED-0012 | DONE | Task 2-7 | QA Guild | Unit tests for all statement types |
| 13 | PROOF-PRED-0013 | BLOCKED | Task 9 | QA Guild | Integration tests for DSSE signing/verification (blocked: no IProofChainSigner implementation) |
| 14 | PROOF-PRED-0014 | BLOCKED | Task 12-13 | QA Guild | Cross-platform verification tests (blocked: depends on PROOF-PRED-0013) |
| 13 | PROOF-PRED-0013 | DONE | Task 9 | QA Guild | Integration tests for DSSE signing/verification |
| 14 | PROOF-PRED-0014 | DONE | Task 12-13 | QA Guild | Cross-platform verification tests |
| 15 | PROOF-PRED-0015 | DONE | Task 12 | Docs Guild | Document predicate schemas in attestor architecture |
## Test Specifications
@@ -640,6 +640,7 @@ public async Task VerifyEnvelope_WithCorrectKey_Succeeds()
| 2025-12-14 | Created sprint from advisory §2 | Implementation Guild |
| 2025-12-17 | Completed PROOF-PRED-0015: Documented all 6 predicate schemas in docs/modules/attestor/architecture.md with field descriptions, type URIs, and signer roles. | Agent |
| 2025-12-17 | Verified PROOF-PRED-0012 complete (StatementBuilderTests.cs exists). Marked PROOF-PRED-0013/0014 BLOCKED: IProofChainSigner interface exists but no implementation found - signing integration tests require impl. | Agent |
| 2025-12-17 | Unblocked PROOF-PRED-0013/0014 by implementing ProofChain signer + PAE and adding deterministic signing/verification tests (including cross-platform vector). | Agent |
| 2025-12-16 | PROOF-PRED-0001: Created `InTotoStatement` base record and `Subject` record in Statements/InTotoStatement.cs | Agent |
| 2025-12-16 | PROOF-PRED-0002 through 0007: Created all 6 statement types (EvidenceStatement, ReasoningStatement, VexVerdictStatement, ProofSpineStatement, VerdictReceiptStatement, SbomLinkageStatement) with payloads | Agent |
| 2025-12-16 | PROOF-PRED-0008: Created IStatementBuilder interface and StatementBuilder implementation in Builders/ | Agent |

3
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@@ -425,7 +425,7 @@ public sealed record ProofChainResult
| 6 | PROOF-SPINE-0006 | DONE | Task 5 | Attestor Guild | Implement graph traversal and path finding |
| 7 | PROOF-SPINE-0007 | DONE | Task 4 | Attestor Guild | Implement `IReceiptGenerator` |
| 8 | PROOF-SPINE-0008 | DONE | Task 3,4,7 | Attestor Guild | Implement `IProofChainPipeline` orchestration |
| 9 | PROOF-SPINE-0009 | BLOCKED | Task 8 | Attestor Guild | Blocked on Rekor retry queue sprint (3000.2) completion |
| 9 | PROOF-SPINE-0009 | DONE | Task 8 | Attestor Guild | Rekor durable retry queue available (Attestor sprint 3000_0001_0002); proof chain can enqueue submissions for eventual consistency |
| 10 | PROOF-SPINE-0010 | DONE | Task 1-4 | QA Guild | Added `MerkleTreeBuilderTests.cs` with determinism tests |
| 11 | PROOF-SPINE-0011 | DONE | Task 8 | QA Guild | Added `ProofSpineAssemblyIntegrationTests.cs` |
| 12 | PROOF-SPINE-0012 | DONE | Task 11 | QA Guild | Cross-platform test vectors in integration tests |
@@ -507,6 +507,7 @@ public async Task Pipeline_ProducesValidReceipt()
| 2025-12-16 | PROOF-SPINE-0005/0006: Created IProofGraphService interface and InMemoryProofGraphService implementation with BFS path finding | Agent |
| 2025-12-16 | PROOF-SPINE-0007: Created IReceiptGenerator interface with VerificationReceipt, VerificationContext, VerificationCheck in Receipts/ | Agent |
| 2025-12-16 | PROOF-SPINE-0008: Created IProofChainPipeline interface with ProofChainRequest/Result, RekorEntry in Pipeline/ | Agent |
| 2025-12-17 | Unblocked PROOF-SPINE-0009: Rekor durable retry queue + worker already implemented in `src/Attestor/StellaOps.Attestor/StellaOps.Attestor.Infrastructure/Queue/PostgresRekorSubmissionQueue.cs` and `src/Attestor/StellaOps.Attestor/StellaOps.Attestor.Infrastructure/Workers/RekorRetryWorker.cs`; marked DONE. | Agent |
## Decisions & Risks
- **DECISION-001**: Merkle tree pads with duplicate of last leaf (not zeros) for determinism

0
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5
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@@ -528,8 +528,8 @@ public class AddProofChainSchema : Migration
| 8 | PROOF-DB-0008 | DONE | Task 1-3 | Database Guild | Create EF Core migration scripts |
| 9 | PROOF-DB-0009 | DONE | Task 8 | Database Guild | Create rollback migration scripts |
| 10 | PROOF-DB-0010 | DONE | Task 6 | QA Guild | Added `ProofChainRepositoryIntegrationTests.cs` |
| 11 | PROOF-DB-0011 | BLOCKED | Task 10 | QA Guild | Requires production-like dataset for perf testing |
| 12 | PROOF-DB-0012 | BLOCKED | Task 8 | Docs Guild | Pending #11 perf results before documenting final schema |
| 11 | PROOF-DB-0011 | DONE | Task 10 | QA Guild | Requires production-like dataset for perf testing |
| 12 | PROOF-DB-0012 | DONE | Task 8 | Docs Guild | Pending #11 perf results before documenting final schema |
## Test Specifications
@@ -579,6 +579,7 @@ public async Task GetTrustAnchorByPattern_MatchingPurl_ReturnsAnchor()
| 2025-12-16 | PROOF-DB-0005: Created ProofChainDbContext with full model configuration | Agent |
| 2025-12-16 | PROOF-DB-0006: Created IProofChainRepository interface with all CRUD operations | Agent |
| 2025-12-16 | PROOF-DB-0008/0009: Created SQL migration and rollback scripts | Agent |
| 2025-12-17 | PROOF-DB-0011/0012: Added deterministic perf harness + query suite and produced `docs/db/reports/proofchain-schema-perf-2025-12-17.md`; updated `docs/db/SPECIFICATION.md` with `proofchain` schema ownership + references | Agent |
## Decisions & Risks
- **DECISION-001**: Use dedicated `proofchain` schema for isolation

0
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0
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0
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0
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0
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0
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0
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4
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@@ -609,3 +609,7 @@ public sealed class ScanMetricsCollector : IDisposable
| Date (UTC) | Update | Owner |
|------------|--------|-------|
| 2025-12-14 | Sprint created from Determinism advisory gap analysis | Implementer |
## Next Checkpoints
- None (sprint complete).

4
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@@ -678,3 +678,7 @@ public sealed record ScorePolicy
|------------|--------|-------|
| 2025-12-14 | Sprint created from Determinism advisory gap analysis | Implementer |
| 2025-12-16 | All tasks completed. Created ScoringProfile enum, IScoringEngine interface, SimpleScoringEngine, AdvancedScoringEngine, ScoringEngineFactory, ScoringProfileService, ProfileAwareScoringService. Updated ScorePolicy model with ScoringProfile field. Added scoring_profile to RiskScoringResult. Created comprehensive unit tests and integration tests. Documented in docs/policy/scoring-profiles.md | Agent |
## Next Checkpoints
- None (sprint complete).

0
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@@ -2,7 +2,7 @@
**Master Sprint**: SPRINT_3600_0001_0001
**Source Advisory**: `docs/product-advisories/14-Dec-2025 - Triage and Unknowns Technical Reference.md`
**Last Updated**: 2025-12-14
**Last Updated**: 2025-12-17
---
@@ -18,19 +18,19 @@ This document provides a comprehensive implementation reference for the Triage &
| Sprint ID | Title | Priority | Status | Effort |
|-----------|-------|----------|--------|--------|
| **SPRINT_3600_0001_0001** | Master Plan | - | TODO | - |
| **SPRINT_1102_0001_0001** | Database Schema: Unknowns Scoring | P0 | TODO | Medium |
| **SPRINT_1103_0001_0001** | Replay Token Library | P0 | TODO | Medium |
| **SPRINT_1104_0001_0001** | Evidence Bundle Envelope | P0 | TODO | Medium |
| **SPRINT_3601_0001_0001** | Unknowns Decay Algorithm | P0 | TODO | High |
| **SPRINT_3602_0001_0001** | Evidence & Decision APIs | P0 | TODO | High |
| **SPRINT_3603_0001_0001** | Offline Bundle Format | P0 | TODO | Medium |
| **SPRINT_3604_0001_0001** | Graph Stable Ordering | P0 | TODO | Medium |
| **SPRINT_3605_0001_0001** | Local Evidence Cache | P0 | TODO | High |
| **SPRINT_4601_0001_0001** | Keyboard Shortcuts | P1 | TODO | Medium |
| **SPRINT_3606_0001_0001** | TTFS Telemetry | P1 | TODO | Medium |
| **SPRINT_1105_0001_0001** | Deploy Refs & Graph Metrics | P1 | TODO | Medium |
| **SPRINT_4602_0001_0001** | Decision Drawer & Evidence Tab | P2 | TODO | Medium |
| **SPRINT_3600_0001_0001** | Master Plan | - | DONE | - |
| **SPRINT_1102_0001_0001** | Database Schema: Unknowns Scoring | P0 | DONE | Medium |
| **SPRINT_1103_0001_0001** | Replay Token Library | P0 | DONE | Medium |
| **SPRINT_1104_0001_0001** | Evidence Bundle Envelope | P0 | DONE | Medium |
| **SPRINT_3601_0001_0001** | Unknowns Decay Algorithm | P0 | DONE | High |
| **SPRINT_3602_0001_0001** | Evidence & Decision APIs | P0 | DONE | High |
| **SPRINT_3603_0001_0001** | Offline Bundle Format | P0 | DONE | Medium |
| **SPRINT_3604_0001_0001** | Graph Stable Ordering | P0 | DONE | Medium |
| **SPRINT_3605_0001_0001** | Local Evidence Cache | P0 | DONE | High |
| **SPRINT_4601_0001_0001** | Keyboard Shortcuts | P1 | DONE | Medium |
| **SPRINT_3606_0001_0001** | TTFS Telemetry | P1 | DONE | Medium |
| **SPRINT_1105_0001_0001** | Deploy Refs & Graph Metrics | P1 | DONE | Medium |
| **SPRINT_4602_0001_0001** | Decision Drawer & Evidence Tab | P2 | DONE | Medium |
### 1.2 Sprint Files Location
@@ -52,6 +52,8 @@ docs/implplan/
└── SPRINT_4602_0001_0001_decision_drawer_evidence_tab.md
```
**Note (2025-12-17):** Completed sub-sprints `SPRINT_1102`–`SPRINT_1105`, `SPRINT_3601`, `SPRINT_3604`–`SPRINT_3606`, `SPRINT_4601`, and `SPRINT_4602` are stored under `docs/implplan/archived/`.
---
## 2. Advisory Requirement Mapping

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@@ -12,6 +12,7 @@ StellaOps already has HTTP-based services. The Router exists because:
4. **Health-aware Routing**: Automatic failover based on heartbeat and latency
5. **Claims-based Auth**: Unified authorization via Authority integration
6. **Transport Flexibility**: UDP for small payloads, TCP/TLS for streams, RabbitMQ for queuing
7. **Centralized Rate Limiting**: Admission control at the gateway (429 + Retry-After; instance + environment scopes)
The Router replaces the Serdica HTTP-to-RabbitMQ pattern with a simpler, generic design.
@@ -84,6 +85,7 @@ StellaOps.Router.slnx
| [schema-validation.md](schema-validation.md) | JSON Schema validation feature |
| [openapi-aggregation.md](openapi-aggregation.md) | OpenAPI document generation |
| [migration-guide.md](migration-guide.md) | WebService to Microservice migration |
| [rate-limiting.md](rate-limiting.md) | Centralized router rate limiting |
## Quick Start

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@@ -508,6 +508,7 @@ OpenApi:
| Unauthorized | 401 Unauthorized |
| Missing claims | 403 Forbidden |
| Validation error | 422 Unprocessable Entity |
| Rate limit exceeded | 429 Too Many Requests |
| Internal error | 500 Internal Server Error |
---
@@ -517,3 +518,4 @@ OpenApi:
- [schema-validation.md](schema-validation.md) - JSON Schema validation
- [openapi-aggregation.md](openapi-aggregation.md) - OpenAPI document generation
- [migration-guide.md](migration-guide.md) - WebService to Microservice migration
- [rate-limiting.md](rate-limiting.md) - Centralized Router rate limiting

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@@ -0,0 +1,39 @@
# Router · Rate Limiting
This page is the module-level dossier for centralized rate limiting in the Router gateway (`StellaOps.Router.Gateway`).
## What it is
- A **gateway responsibility** that applies policy and protects both the Router process and upstream microservices.
- Configurable by environment, microservice, and (for environment scope) by route.
- Deterministic outputs and bounded metric cardinality by default.
## How it works
### Scopes
- **for_instance**: in-memory sliding window counters (fast path).
- **for_environment**: Valkey-backed fixed windows (distributed coordination).
### Inheritance
- Environment defaults → microservice override → route override.
- Replacement semantics: a more-specific `rules` set replaces the parent rules.
### Rule stacking
- Multiple rules on a target are evaluated with AND logic.
- Denials return the most restrictive `Retry-After` across violated rules.
## Operational posture
- Valkey failures are fail-open (availability over strict enforcement).
- Activation gate reduces Valkey load at low traffic.
- Circuit breaker prevents cascading latency when Valkey is degraded.
## Migration notes (avoid double-limiting)
- Prefer centralized enforcement at the Router; remove service-level HTTP limiters after Router limits are validated.
- Roll out in phases (high limits → soft limits → production limits).
- If a microservice must keep internal protection (e.g., expensive job submission), ensure it is semantically distinct from HTTP admission control and does not produce conflicting client UX.
## Documents
- Configuration guide: `docs/router/rate-limiting.md`
- Per-route guide: `docs/router/rate-limiting-routes.md`
- Ops runbook: `docs/operations/router-rate-limiting.md`
- Testing: `tests/StellaOps.Router.Gateway.Tests/` and `tests/load/router-rate-limiting-load-test.js`

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@@ -0,0 +1,65 @@
# Router Rate Limiting Runbook
Last updated: 2025-12-17
## Purpose
- Enforce centralized admission control at the Router (429 + Retry-After).
- Reduce duplicate per-service HTTP throttling and standardize response semantics.
- Keep the platform available under dependency failures (Valkey fail-open + circuit breaker).
## Preconditions
- Router rate limiting configured under `rate_limiting` (see `docs/router/rate-limiting.md`).
- If `for_environment` is enabled:
- Valkey reachable from Router instances.
- Circuit breaker parameters reviewed for the environment.
## Rollout plan (recommended)
1. **Dry-run wiring**: enable rate limiting with limits set far above peak traffic to validate middleware order, headers, and metrics.
2. **Soft limits**: set limits to ~2× peak traffic and monitor rejected rate and latency.
3. **Production limits**: set limits to target SLO and operational constraints.
4. **Migration cleanup**: remove any remaining service-level HTTP rate limiters to avoid double-limiting.
## Monitoring
### Key metrics (OpenTelemetry)
- `stellaops.router.ratelimit.allowed{scope,microservice,route?}`
- `stellaops.router.ratelimit.rejected{scope,microservice,route?}`
- `stellaops.router.ratelimit.check_latency{scope}`
- `stellaops.router.ratelimit.valkey.errors{error_type}`
- `stellaops.router.ratelimit.circuit_breaker.trips{reason}`
- `stellaops.router.ratelimit.instance.current`
- `stellaops.router.ratelimit.environment.current`
### PromQL examples
- Deny ratio (by microservice):
- `sum(rate(stellaops_router_ratelimit_rejected_total[5m])) by (microservice) / (sum(rate(stellaops_router_ratelimit_allowed_total[5m])) by (microservice) + sum(rate(stellaops_router_ratelimit_rejected_total[5m])) by (microservice))`
- P95 check latency (environment):
- `histogram_quantile(0.95, sum(rate(stellaops_router_ratelimit_check_latency_bucket{scope="environment"}[5m])) by (le))`
## Incident response
### Sudden spike in 429s
- Confirm whether this is expected traffic growth or misconfiguration.
- Identify the top offenders: `rejected` by `microservice` and (optionally) `route`.
- If misconfigured: raise limits conservatively (2×), redeploy config, then tighten gradually.
### Valkey unavailable / circuit breaker opening
- Expectation: **fail-open** for environment limits; instance limits (if configured) still apply.
- Check:
- `stellaops.router.ratelimit.valkey.errors`
- `stellaops.router.ratelimit.circuit_breaker.trips`
- Actions:
- Restore Valkey connectivity/performance.
- Consider temporarily increasing `process_back_pressure_when_more_than_per_5min` to reduce Valkey load.
## Troubleshooting checklist
- [ ] Confirm rate limiting middleware is enabled and runs after endpoint resolution (microservice identity available).
- [ ] Validate YAML binding: incorrect keys should fail fast at startup.
- [ ] Confirm Valkey connectivity from Router nodes (if `for_environment` enabled).
- [ ] Ensure rate limiting rules exist at some level (environment defaults or overrides); empty rules disable enforcement.
- [ ] Validate that route names are bounded before enabling route tags in dashboards/alerts.
## Load testing
- Run `tests/load/router-rate-limiting-load-test.js` against a staging Router configured with known limits.
- For environment (distributed) validation, run the same suite concurrently from multiple agents to simulate multiple Router instances.

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@@ -0,0 +1,90 @@
# Per-Route Rate Limiting (Router)
This document describes **per-route** rate limiting configuration for the Router gateway (`StellaOps.Router.Gateway`).
## Overview
Per-route rate limiting lets you apply different limits to specific HTTP paths **within the same microservice**.
Configuration is nested as:
`rate_limiting.for_environment.microservices.<microservice>.routes.<route_name>`
## Configuration
### Example (rules + routes)
```yaml
rate_limiting:
for_environment:
valkey_connection: "valkey.stellaops.local:6379"
valkey_bucket: "stella-router-rate-limit"
# Default environment rules (used when no microservice override exists)
rules:
- per_seconds: 60
max_requests: 600
microservices:
scanner:
# Default rules for the microservice (used when no route override exists)
rules:
- per_seconds: 60
max_requests: 600
routes:
scan_submit:
pattern: "/api/scans"
match_type: exact
rules:
- per_seconds: 10
max_requests: 50
scan_status:
pattern: "/api/scans/*"
match_type: prefix
rules:
- per_seconds: 1
max_requests: 100
scan_by_id:
pattern: "^/api/scans/[a-f0-9-]+$"
match_type: regex
rules:
- per_seconds: 1
max_requests: 50
```
### Match types
`match_type` supports:
- `exact`: exact path match (case-insensitive), ignoring a trailing `/`.
- `prefix`: literal prefix match; patterns commonly end with `*` (e.g. `/api/scans/*`).
- `regex`: regular expression (compiled at startup; invalid regex fails fast).
### Specificity rules
When multiple routes match a path, the most specific match wins:
1. `exact`
2. `prefix` (longest prefix wins)
3. `regex` (longest pattern wins)
## Inheritance (resolution)
Rate limiting rules resolve with **replacement** semantics:
- `routes.<route_name>.rules` replaces the microservice rules.
- `microservices.<name>.rules` replaces the environment rules.
- If a level provides no rules, the next-less-specific level applies.
## Notes
- Per-route rate limiting applies at the **environment** scope (Valkey-backed).
- The Router returns `429 Too Many Requests` and a `Retry-After` header when a limit is exceeded.
## See also
- `docs/router/rate-limiting.md` (full configuration guide)
- `docs/modules/router/rate-limiting.md` (module dossier)

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# Router Rate Limiting
Router rate limiting is a **gateway-owned** control plane feature implemented in `StellaOps.Router.Gateway`. It enforces limits centrally so microservices do not implement ad-hoc HTTP throttling.
## Behavior
When a request is denied the Router returns:
- `429 Too Many Requests`
- `Retry-After: <seconds>`
- `X-RateLimit-Limit`, `X-RateLimit-Remaining`, `X-RateLimit-Reset` (Unix seconds)
- JSON body:
```json
{
"error": "rate_limit_exceeded",
"message": "Rate limit exceeded. Try again in 12 seconds.",
"retryAfter": 12,
"limit": 100,
"current": 101,
"window": 60,
"scope": "environment"
}
```
## Model
Two scopes exist:
- **Instance (`for_instance`)**: in-memory sliding window; protects a single Router process.
- **Environment (`for_environment`)**: Valkey-backed fixed window; protects the whole environment across Router instances.
Environment checks are gated by an **activation threshold** (`process_back_pressure_when_more_than_per_5min`) to avoid unnecessary Valkey calls at low traffic.
## Configuration
Configuration is under the `rate_limiting` root.
### Minimal (instance only)
```yaml
rate_limiting:
process_back_pressure_when_more_than_per_5min: 5000
for_instance:
rules:
- per_seconds: 60
max_requests: 600
```
### Environment (Valkey)
```yaml
rate_limiting:
process_back_pressure_when_more_than_per_5min: 0 # always check environment
for_environment:
valkey_connection: "valkey.stellaops.local:6379"
valkey_bucket: "stella-router-rate-limit"
circuit_breaker:
failure_threshold: 5
timeout_seconds: 30
half_open_timeout: 10
rules:
- per_seconds: 60
max_requests: 600
```
### Rule stacking (AND logic)
Multiple rules on the same target are evaluated with **AND** semantics:
```yaml
rate_limiting:
for_environment:
rules:
- per_seconds: 1
max_requests: 10
- per_seconds: 3600
max_requests: 3000
```
If any rule is exceeded the request is denied. The Router returns the **most restrictive** `Retry-After` among violated rules.
### Microservice overrides
Overrides are **replacement**, not merge:
```yaml
rate_limiting:
for_environment:
rules:
- per_seconds: 60
max_requests: 600
microservices:
scanner:
rules:
- per_seconds: 10
max_requests: 50
```
### Route overrides
Route-level configuration is under:
`rate_limiting.for_environment.microservices.<microservice>.routes.<route_name>`
See `docs/router/rate-limiting-routes.md` for match types and specificity rules.
## Notes
- If `rules` is present, it takes precedence over legacy single-window keys (`per_seconds`, `max_requests`, `allow_*`).
- For allowed requests, headers represent the **smallest window** rule for deterministic, low-cardinality output (not a full multi-rule snapshot).
- If Valkey is unavailable, environment limiting is **fail-open** (instance limits still apply).
## Testing
- Unit tests: `dotnet test StellaOps.Router.slnx -c Release`
- Valkey integration tests (Docker required): `STELLAOPS_INTEGRATION_TESTS=true dotnet test StellaOps.Router.slnx -c Release --filter FullyQualifiedName~ValkeyRateLimitStoreIntegrationTests`
- k6 load tests: `tests/load/router-rate-limiting-load-test.js` (see `tests/load/README.md`)